Home / 45,162.18-62,178.21-38,776.14

Finding the Fourth Proportional to 45,162.18, 62,178.21 and 38,776.14

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Solution

The fourth proportional to 45,162.18, 62,178.21 and 38,776.14 is: 53,386.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,162.18 : 62,178.21 = 38,776.14 : x
  2. Step 2: Convert to fraction form
    45,162.18/62,178.21 = 38,776.14/x
  3. Step 3: Cross multiply
    45,162.18x = 62,178.21 × 38,776.14
  4. Step 4: Simplify right side
    45,162.18x = 2,411,030,975.91
  5. Step 5: Solve for x
    x = 2,411,030,975.91/45,162.18
  6. Step 6: Final answer
    x = 53,386.06

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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.