Home / 92,619.19-138,781.15-59,311.85

Finding the Fourth Proportional to 92,619.19, 138,781.15 and 59,311.85

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Solution

The fourth proportional to 92,619.19, 138,781.15 and 59,311.85 is: 88,873.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,619.19 : 138,781.15 = 59,311.85 : x
  2. Step 2: Convert to fraction form
    92,619.19/138,781.15 = 59,311.85/x
  3. Step 3: Cross multiply
    92,619.19x = 138,781.15 × 59,311.85
  4. Step 4: Simplify right side
    92,619.19x = 8,231,366,751.63
  5. Step 5: Solve for x
    x = 8,231,366,751.63/92,619.19
  6. Step 6: Final answer
    x = 88,873.23

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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.