Home / 99,691.52-149,545.38-29,570.63

Finding the Fourth Proportional to 99,691.52, 149,545.38 and 29,570.63

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Solution

The fourth proportional to 99,691.52, 149,545.38 and 29,570.63 is: 44,358.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,691.52 : 149,545.38 = 29,570.63 : x
  2. Step 2: Convert to fraction form
    99,691.52/149,545.38 = 29,570.63/x
  3. Step 3: Cross multiply
    99,691.52x = 149,545.38 × 29,570.63
  4. Step 4: Simplify right side
    99,691.52x = 4,422,150,352.46
  5. Step 5: Solve for x
    x = 4,422,150,352.46/99,691.52
  6. Step 6: Final answer
    x = 44,358.34

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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.