Home / 92,136.20-127,136.64-58,131.86

Finding the Fourth Proportional to 92,136.20, 127,136.64 and 58,131.86

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Solution

The fourth proportional to 92,136.20, 127,136.64 and 58,131.86 is: 80,214.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,136.20 : 127,136.64 = 58,131.86 : x
  2. Step 2: Convert to fraction form
    92,136.20/127,136.64 = 58,131.86/x
  3. Step 3: Cross multiply
    92,136.20x = 127,136.64 × 58,131.86
  4. Step 4: Simplify right side
    92,136.20x = 7,390,689,357.35
  5. Step 5: Solve for x
    x = 7,390,689,357.35/92,136.20
  6. Step 6: Final answer
    x = 80,214.83

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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.