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Finding the Fourth Proportional to 89,030.60, 133,545.90 and 29,868.20

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Solution

The fourth proportional to 89,030.60, 133,545.90 and 29,868.20 is: 44,802.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,030.60 : 133,545.90 = 29,868.20 : x
  2. Step 2: Convert to fraction form
    89,030.60/133,545.90 = 29,868.20/x
  3. Step 3: Cross multiply
    89,030.60x = 133,545.90 × 29,868.20
  4. Step 4: Simplify right side
    89,030.60x = 3,988,775,650.38
  5. Step 5: Solve for x
    x = 3,988,775,650.38/89,030.60
  6. Step 6: Final answer
    x = 44,802.30

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1.5x scale

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.