Home / 84,747.44-127,142.76-59,836.04

Finding the Fourth Proportional to 84,747.44, 127,142.76 and 59,836.04

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Solution

The fourth proportional to 84,747.44, 127,142.76 and 59,836.04 is: 89,769.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,747.44 : 127,142.76 = 59,836.04 : x
  2. Step 2: Convert to fraction form
    84,747.44/127,142.76 = 59,836.04/x
  3. Step 3: Cross multiply
    84,747.44x = 127,142.76 × 59,836.04
  4. Step 4: Simplify right side
    84,747.44x = 7,607,719,273.07
  5. Step 5: Solve for x
    x = 7,607,719,273.07/84,747.44
  6. Step 6: Final answer
    x = 89,769.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.