Home / 99,397.20-149,056.20-32,818.80

Finding the Fourth Proportional to 99,397.20, 149,056.20 and 32,818.80

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Solution

The fourth proportional to 99,397.20, 149,056.20 and 32,818.80 is: 49,215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,397.20 : 149,056.20 = 32,818.80 : x
  2. Step 2: Convert to fraction form
    99,397.20/149,056.20 = 32,818.80/x
  3. Step 3: Cross multiply
    99,397.20x = 149,056.20 × 32,818.80
  4. Step 4: Simplify right side
    99,397.20x = 4,891,845,616.56
  5. Step 5: Solve for x
    x = 4,891,845,616.56/99,397.20
  6. Step 6: Final answer
    x = 49,215.12

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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.