Home / 87,341.66-120,568.91-60,155.88

Finding the Fourth Proportional to 87,341.66, 120,568.91 and 60,155.88

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Solution

The fourth proportional to 87,341.66, 120,568.91 and 60,155.88 is: 83,040.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,341.66 : 120,568.91 = 60,155.88 : x
  2. Step 2: Convert to fraction form
    87,341.66/120,568.91 = 60,155.88/x
  3. Step 3: Cross multiply
    87,341.66x = 120,568.91 × 60,155.88
  4. Step 4: Simplify right side
    87,341.66x = 7,252,928,806.98
  5. Step 5: Solve for x
    x = 7,252,928,806.98/87,341.66
  6. Step 6: Final answer
    x = 83,040.89

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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.