Home / 62,781.58-86,639.18-34,487.27

Finding the Fourth Proportional to 62,781.58, 86,639.18 and 34,487.27

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Solution

The fourth proportional to 62,781.58, 86,639.18 and 34,487.27 is: 47,592.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,781.58 : 86,639.18 = 34,487.27 : x
  2. Step 2: Convert to fraction form
    62,781.58/86,639.18 = 34,487.27/x
  3. Step 3: Cross multiply
    62,781.58x = 86,639.18 × 34,487.27
  4. Step 4: Simplify right side
    62,781.58x = 2,987,948,187.61
  5. Step 5: Solve for x
    x = 2,987,948,187.61/62,781.58
  6. Step 6: Final answer
    x = 47,592.75

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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.