Home / 62,711.28-86,540.45-35,487.09

Finding the Fourth Proportional to 62,711.28, 86,540.45 and 35,487.09

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Solution

The fourth proportional to 62,711.28, 86,540.45 and 35,487.09 is: 48,971.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,711.28 : 86,540.45 = 35,487.09 : x
  2. Step 2: Convert to fraction form
    62,711.28/86,540.45 = 35,487.09/x
  3. Step 3: Cross multiply
    62,711.28x = 86,540.45 × 35,487.09
  4. Step 4: Simplify right side
    62,711.28x = 3,071,068,560.36
  5. Step 5: Solve for x
    x = 3,071,068,560.36/62,711.28
  6. Step 6: Final answer
    x = 48,971.55

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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.