Home / 99,934.60-149,882.70-29,816.20

Finding the Fourth Proportional to 99,934.60, 149,882.70 and 29,816.20

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Solution

The fourth proportional to 99,934.60, 149,882.70 and 29,816.20 is: 44,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,934.60 : 149,882.70 = 29,816.20 : x
  2. Step 2: Convert to fraction form
    99,934.60/149,882.70 = 29,816.20/x
  3. Step 3: Cross multiply
    99,934.60x = 149,882.70 × 29,816.20
  4. Step 4: Simplify right side
    99,934.60x = 4,468,932,559.74
  5. Step 5: Solve for x
    x = 4,468,932,559.74/99,934.60
  6. Step 6: Final answer
    x = 44,718.57

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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.