Home / 89,902.97-124,061.89-51,635.60

Finding the Fourth Proportional to 89,902.97, 124,061.89 and 51,635.60

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Solution

The fourth proportional to 89,902.97, 124,061.89 and 51,635.60 is: 71,254.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,902.97 : 124,061.89 = 51,635.60 : x
  2. Step 2: Convert to fraction form
    89,902.97/124,061.89 = 51,635.60/x
  3. Step 3: Cross multiply
    89,902.97x = 124,061.89 × 51,635.60
  4. Step 4: Simplify right side
    89,902.97x = 6,406,010,127.28
  5. Step 5: Solve for x
    x = 6,406,010,127.28/89,902.97
  6. Step 6: Final answer
    x = 71,254.71

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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.