Home / 99,223.61-136,876.07-62,860.91

Finding the Fourth Proportional to 99,223.61, 136,876.07 and 62,860.91

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Solution

The fourth proportional to 99,223.61, 136,876.07 and 62,860.91 is: 86,714.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,223.61 : 136,876.07 = 62,860.91 : x
  2. Step 2: Convert to fraction form
    99,223.61/136,876.07 = 62,860.91/x
  3. Step 3: Cross multiply
    99,223.61x = 136,876.07 × 62,860.91
  4. Step 4: Simplify right side
    99,223.61x = 8,604,153,318.74
  5. Step 5: Solve for x
    x = 8,604,153,318.74/99,223.61
  6. Step 6: Final answer
    x = 86,714.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.