Home / 110,111.62-151,966.64-61,726.61

Finding the Fourth Proportional to 110,111.62, 151,966.64 and 61,726.61

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Solution

The fourth proportional to 110,111.62, 151,966.64 and 61,726.61 is: 85,189.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,111.62 : 151,966.64 = 61,726.61 : x
  2. Step 2: Convert to fraction form
    110,111.62/151,966.64 = 61,726.61/x
  3. Step 3: Cross multiply
    110,111.62x = 151,966.64 × 61,726.61
  4. Step 4: Simplify right side
    110,111.62x = 9,380,385,591.57
  5. Step 5: Solve for x
    x = 9,380,385,591.57/110,111.62
  6. Step 6: Final answer
    x = 85,189.79

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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.