Home / 92,079.15-138,118.11-23,690.59

Finding the Fourth Proportional to 92,079.15, 138,118.11 and 23,690.59

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Solution

The fourth proportional to 92,079.15, 138,118.11 and 23,690.59 is: 35,535.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,079.15 : 138,118.11 = 23,690.59 : x
  2. Step 2: Convert to fraction form
    92,079.15/138,118.11 = 23,690.59/x
  3. Step 3: Cross multiply
    92,079.15x = 138,118.11 × 23,690.59
  4. Step 4: Simplify right side
    92,079.15x = 3,272,099,991.62
  5. Step 5: Solve for x
    x = 3,272,099,991.62/92,079.15
  6. Step 6: Final answer
    x = 35,535.73

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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.