Home / 115,432.24-173,158.28-40,545.88

Finding the Fourth Proportional to 115,432.24, 173,158.28 and 40,545.88

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Solution

The fourth proportional to 115,432.24, 173,158.28 and 40,545.88 is: 60,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,432.24 : 173,158.28 = 40,545.88 : x
  2. Step 2: Convert to fraction form
    115,432.24/173,158.28 = 40,545.88/x
  3. Step 3: Cross multiply
    115,432.24x = 173,158.28 × 40,545.88
  4. Step 4: Simplify right side
    115,432.24x = 7,020,854,841.89
  5. Step 5: Solve for x
    x = 7,020,854,841.89/115,432.24
  6. Step 6: Final answer
    x = 60,822.30

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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.