Home / 99,724.92-149,508.10-49,777.94

Finding the Fourth Proportional to 99,724.92, 149,508.10 and 49,777.94

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Solution

The fourth proportional to 99,724.92, 149,508.10 and 49,777.94 is: 74,627.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,724.92 : 149,508.10 = 49,777.94 : x
  2. Step 2: Convert to fraction form
    99,724.92/149,508.10 = 49,777.94/x
  3. Step 3: Cross multiply
    99,724.92x = 149,508.10 × 49,777.94
  4. Step 4: Simplify right side
    99,724.92x = 7,442,205,807.31
  5. Step 5: Solve for x
    x = 7,442,205,807.31/99,724.92
  6. Step 6: Final answer
    x = 74,627.34

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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.