Home / 99,859.48-149,854.68-36,680.12

Finding the Fourth Proportional to 99,859.48, 149,854.68 and 36,680.12

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Solution

The fourth proportional to 99,859.48, 149,854.68 and 36,680.12 is: 55,044.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,859.48 : 149,854.68 = 36,680.12 : x
  2. Step 2: Convert to fraction form
    99,859.48/149,854.68 = 36,680.12/x
  3. Step 3: Cross multiply
    99,859.48x = 149,854.68 × 36,680.12
  4. Step 4: Simplify right side
    99,859.48x = 5,496,687,644.96
  5. Step 5: Solve for x
    x = 5,496,687,644.96/99,859.48
  6. Step 6: Final answer
    x = 55,044.22

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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.