Home / 99,109.44-136,726.38-58,824.90

Finding the Fourth Proportional to 99,109.44, 136,726.38 and 58,824.90

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Solution

The fourth proportional to 99,109.44, 136,726.38 and 58,824.90 is: 81,151.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,109.44 : 136,726.38 = 58,824.90 : x
  2. Step 2: Convert to fraction form
    99,109.44/136,726.38 = 58,824.90/x
  3. Step 3: Cross multiply
    99,109.44x = 136,726.38 × 58,824.90
  4. Step 4: Simplify right side
    99,109.44x = 8,042,915,630.86
  5. Step 5: Solve for x
    x = 8,042,915,630.86/99,109.44
  6. Step 6: Final answer
    x = 81,151.86

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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.