Home / 62,910.09-86,818.32-36,057.78

Finding the Fourth Proportional to 62,910.09, 86,818.32 and 36,057.78

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Solution

The fourth proportional to 62,910.09, 86,818.32 and 36,057.78 is: 49,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,910.09 : 86,818.32 = 36,057.78 : x
  2. Step 2: Convert to fraction form
    62,910.09/86,818.32 = 36,057.78/x
  3. Step 3: Cross multiply
    62,910.09x = 86,818.32 × 36,057.78
  4. Step 4: Simplify right side
    62,910.09x = 3,130,475,882.53
  5. Step 5: Solve for x
    x = 3,130,475,882.53/62,910.09
  6. Step 6: Final answer
    x = 49,761.11

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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.