Home / 99,310.20-148,925.70-32,731.80

Finding the Fourth Proportional to 99,310.20, 148,925.70 and 32,731.80

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Solution

The fourth proportional to 99,310.20, 148,925.70 and 32,731.80 is: 49,084.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,310.20 : 148,925.70 = 32,731.80 : x
  2. Step 2: Convert to fraction form
    99,310.20/148,925.70 = 32,731.80/x
  3. Step 3: Cross multiply
    99,310.20x = 148,925.70 × 32,731.80
  4. Step 4: Simplify right side
    99,310.20x = 4,874,606,227.26
  5. Step 5: Solve for x
    x = 4,874,606,227.26/99,310.20
  6. Step 6: Final answer
    x = 49,084.65

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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.