Home / 102,474.53-141,390.77-62,187.38

Finding the Fourth Proportional to 102,474.53, 141,390.77 and 62,187.38

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Solution

The fourth proportional to 102,474.53, 141,390.77 and 62,187.38 is: 85,803.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,474.53 : 141,390.77 = 62,187.38 : x
  2. Step 2: Convert to fraction form
    102,474.53/141,390.77 = 62,187.38/x
  3. Step 3: Cross multiply
    102,474.53x = 141,390.77 × 62,187.38
  4. Step 4: Simplify right side
    102,474.53x = 8,792,720,524.59
  5. Step 5: Solve for x
    x = 8,792,720,524.59/102,474.53
  6. Step 6: Final answer
    x = 85,803.96

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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.