Home / 87,024.65-120,085.88-49,298.90

Finding the Fourth Proportional to 87,024.65, 120,085.88 and 49,298.90

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Solution

The fourth proportional to 87,024.65, 120,085.88 and 49,298.90 is: 68,027.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,024.65 : 120,085.88 = 49,298.90 : x
  2. Step 2: Convert to fraction form
    87,024.65/120,085.88 = 49,298.90/x
  3. Step 3: Cross multiply
    87,024.65x = 120,085.88 × 49,298.90
  4. Step 4: Simplify right side
    87,024.65x = 5,920,100,942.61
  5. Step 5: Solve for x
    x = 5,920,100,942.61/87,024.65
  6. Step 6: Final answer
    x = 68,027.87

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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.