Home / 123,740.16-170,761.57-67,151.53

Finding the Fourth Proportional to 123,740.16, 170,761.57 and 67,151.53

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Solution

The fourth proportional to 123,740.16, 170,761.57 and 67,151.53 is: 92,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,740.16 : 170,761.57 = 67,151.53 : x
  2. Step 2: Convert to fraction form
    123,740.16/170,761.57 = 67,151.53/x
  3. Step 3: Cross multiply
    123,740.16x = 170,761.57 × 67,151.53
  4. Step 4: Simplify right side
    123,740.16x = 11,466,900,736.28
  5. Step 5: Solve for x
    x = 11,466,900,736.28/123,740.16
  6. Step 6: Final answer
    x = 92,669.20

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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.