Home / 87,220.06-120,332.19-49,472.44

Finding the Fourth Proportional to 87,220.06, 120,332.19 and 49,472.44

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Solution

The fourth proportional to 87,220.06, 120,332.19 and 49,472.44 is: 68,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,220.06 : 120,332.19 = 49,472.44 : x
  2. Step 2: Convert to fraction form
    87,220.06/120,332.19 = 49,472.44/x
  3. Step 3: Cross multiply
    87,220.06x = 120,332.19 × 49,472.44
  4. Step 4: Simplify right side
    87,220.06x = 5,953,127,049.84
  5. Step 5: Solve for x
    x = 5,953,127,049.84/87,220.06
  6. Step 6: Final answer
    x = 68,254.10

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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.