Home / 89,735.56-134,476.45-49,772.15

Finding the Fourth Proportional to 89,735.56, 134,476.45 and 49,772.15

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Solution

The fourth proportional to 89,735.56, 134,476.45 and 49,772.15 is: 74,587.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,735.56 : 134,476.45 = 49,772.15 : x
  2. Step 2: Convert to fraction form
    89,735.56/134,476.45 = 49,772.15/x
  3. Step 3: Cross multiply
    89,735.56x = 134,476.45 × 49,772.15
  4. Step 4: Simplify right side
    89,735.56x = 6,693,182,040.87
  5. Step 5: Solve for x
    x = 6,693,182,040.87/89,735.56
  6. Step 6: Final answer
    x = 74,587.85

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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.