Home / 87,336.60-131,032.61-31,175.48

Finding the Fourth Proportional to 87,336.60, 131,032.61 and 31,175.48

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Solution

The fourth proportional to 87,336.60, 131,032.61 and 31,175.48 is: 46,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,336.60 : 131,032.61 = 31,175.48 : x
  2. Step 2: Convert to fraction form
    87,336.60/131,032.61 = 31,175.48/x
  3. Step 3: Cross multiply
    87,336.60x = 131,032.61 × 31,175.48
  4. Step 4: Simplify right side
    87,336.60x = 4,085,003,701.36
  5. Step 5: Solve for x
    x = 4,085,003,701.36/87,336.60
  6. Step 6: Final answer
    x = 46,773.10

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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.