Home / 87,740.06-121,096.17-49,510.44

Finding the Fourth Proportional to 87,740.06, 121,096.17 and 49,510.44

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Solution

The fourth proportional to 87,740.06, 121,096.17 and 49,510.44 is: 68,332.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,740.06 : 121,096.17 = 49,510.44 : x
  2. Step 2: Convert to fraction form
    87,740.06/121,096.17 = 49,510.44/x
  3. Step 3: Cross multiply
    87,740.06x = 121,096.17 × 49,510.44
  4. Step 4: Simplify right side
    87,740.06x = 5,995,524,659.01
  5. Step 5: Solve for x
    x = 5,995,524,659.01/87,740.06
  6. Step 6: Final answer
    x = 68,332.81

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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.