Home / 87,410.73-131,097.03-31,254.72

Finding the Fourth Proportional to 87,410.73, 131,097.03 and 31,254.72

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Solution

The fourth proportional to 87,410.73, 131,097.03 and 31,254.72 is: 46,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,410.73 : 131,097.03 = 31,254.72 : x
  2. Step 2: Convert to fraction form
    87,410.73/131,097.03 = 31,254.72/x
  3. Step 3: Cross multiply
    87,410.73x = 131,097.03 × 31,254.72
  4. Step 4: Simplify right side
    87,410.73x = 4,097,400,965.48
  5. Step 5: Solve for x
    x = 4,097,400,965.48/87,410.73
  6. Step 6: Final answer
    x = 46,875.26

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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.