Home / 87,952.01-121,373.78-47,665.76

Finding the Fourth Proportional to 87,952.01, 121,373.78 and 47,665.76

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Solution

The fourth proportional to 87,952.01, 121,373.78 and 47,665.76 is: 65,778.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,952.01 : 121,373.78 = 47,665.76 : x
  2. Step 2: Convert to fraction form
    87,952.01/121,373.78 = 47,665.76/x
  3. Step 3: Cross multiply
    87,952.01x = 121,373.78 × 47,665.76
  4. Step 4: Simplify right side
    87,952.01x = 5,785,374,048.85
  5. Step 5: Solve for x
    x = 5,785,374,048.85/87,952.01
  6. Step 6: Final answer
    x = 65,778.76

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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.