Home / 62,385.17-86,100.32-39,716.92

Finding the Fourth Proportional to 62,385.17, 86,100.32 and 39,716.92

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Solution

The fourth proportional to 62,385.17, 86,100.32 and 39,716.92 is: 54,814.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,385.17 : 86,100.32 = 39,716.92 : x
  2. Step 2: Convert to fraction form
    62,385.17/86,100.32 = 39,716.92/x
  3. Step 3: Cross multiply
    62,385.17x = 86,100.32 × 39,716.92
  4. Step 4: Simplify right side
    62,385.17x = 3,419,639,322.83
  5. Step 5: Solve for x
    x = 3,419,639,322.83/62,385.17
  6. Step 6: Final answer
    x = 54,814.94

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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.