Home / 98,436.05-135,829.27-62,123.95

Finding the Fourth Proportional to 98,436.05, 135,829.27 and 62,123.95

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Solution

The fourth proportional to 98,436.05, 135,829.27 and 62,123.95 is: 85,723.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,436.05 : 135,829.27 = 62,123.95 : x
  2. Step 2: Convert to fraction form
    98,436.05/135,829.27 = 62,123.95/x
  3. Step 3: Cross multiply
    98,436.05x = 135,829.27 × 62,123.95
  4. Step 4: Simplify right side
    98,436.05x = 8,438,250,778.02
  5. Step 5: Solve for x
    x = 8,438,250,778.02/98,436.05
  6. Step 6: Final answer
    x = 85,723.18

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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.