Home / 87,677.36-131,535.53-40,904.72

Finding the Fourth Proportional to 87,677.36, 131,535.53 and 40,904.72

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Solution

The fourth proportional to 87,677.36, 131,535.53 and 40,904.72 is: 61,366.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,677.36 : 131,535.53 = 40,904.72 : x
  2. Step 2: Convert to fraction form
    87,677.36/131,535.53 = 40,904.72/x
  3. Step 3: Cross multiply
    87,677.36x = 131,535.53 × 40,904.72
  4. Step 4: Simplify right side
    87,677.36x = 5,380,424,455.80
  5. Step 5: Solve for x
    x = 5,380,424,455.80/87,677.36
  6. Step 6: Final answer
    x = 61,366.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.