Home / 92,120.20-127,114.58-58,115.86

Finding the Fourth Proportional to 92,120.20, 127,114.58 and 58,115.86

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Solution

The fourth proportional to 92,120.20, 127,114.58 and 58,115.86 is: 80,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,120.20 : 127,114.58 = 58,115.86 : x
  2. Step 2: Convert to fraction form
    92,120.20/127,114.58 = 58,115.86/x
  3. Step 3: Cross multiply
    92,120.20x = 127,114.58 × 58,115.86
  4. Step 4: Simplify right side
    92,120.20x = 7,387,373,135.24
  5. Step 5: Solve for x
    x = 7,387,373,135.24/92,120.20
  6. Step 6: Final answer
    x = 80,192.76

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1.5x scale

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.