Home / 45,143.70-62,298.48-25,000.14

Finding the Fourth Proportional to 45,143.70, 62,298.48 and 25,000.14

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Solution

The fourth proportional to 45,143.70, 62,298.48 and 25,000.14 is: 34,500.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,143.70 : 62,298.48 = 25,000.14 : x
  2. Step 2: Convert to fraction form
    45,143.70/62,298.48 = 25,000.14/x
  3. Step 3: Cross multiply
    45,143.70x = 62,298.48 × 25,000.14
  4. Step 4: Simplify right side
    45,143.70x = 1,557,470,721.79
  5. Step 5: Solve for x
    x = 1,557,470,721.79/45,143.70
  6. Step 6: Final answer
    x = 34,500.29

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.