Home / 60,731.38-83,772.56-39,187.41

Finding the Fourth Proportional to 60,731.38, 83,772.56 and 39,187.41

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Solution

The fourth proportional to 60,731.38, 83,772.56 and 39,187.41 is: 54,054.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,731.38 : 83,772.56 = 39,187.41 : x
  2. Step 2: Convert to fraction form
    60,731.38/83,772.56 = 39,187.41/x
  3. Step 3: Cross multiply
    60,731.38x = 83,772.56 × 39,187.41
  4. Step 4: Simplify right side
    60,731.38x = 3,282,829,236.61
  5. Step 5: Solve for x
    x = 3,282,829,236.61/60,731.38
  6. Step 6: Final answer
    x = 54,054.91

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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.