Home / 99,414.90-137,140.23-59,099.97

Finding the Fourth Proportional to 99,414.90, 137,140.23 and 59,099.97

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Solution

The fourth proportional to 99,414.90, 137,140.23 and 59,099.97 is: 81,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,414.90 : 137,140.23 = 59,099.97 : x
  2. Step 2: Convert to fraction form
    99,414.90/137,140.23 = 59,099.97/x
  3. Step 3: Cross multiply
    99,414.90x = 137,140.23 × 59,099.97
  4. Step 4: Simplify right side
    99,414.90x = 8,104,983,478.79
  5. Step 5: Solve for x
    x = 8,104,983,478.79/99,414.90
  6. Step 6: Final answer
    x = 81,526.85

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1.5x scale

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.