Home / 75,276.06-112,914.09-25,993.50

Finding the Fourth Proportional to 75,276.06, 112,914.09 and 25,993.50

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Solution

The fourth proportional to 75,276.06, 112,914.09 and 25,993.50 is: 38,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,276.06 : 112,914.09 = 25,993.50 : x
  2. Step 2: Convert to fraction form
    75,276.06/112,914.09 = 25,993.50/x
  3. Step 3: Cross multiply
    75,276.06x = 112,914.09 × 25,993.50
  4. Step 4: Simplify right side
    75,276.06x = 2,935,032,398.42
  5. Step 5: Solve for x
    x = 2,935,032,398.42/75,276.06
  6. Step 6: Final answer
    x = 38,990.25

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.