Home / 87,216.41-130,825.12-31,058.70

Finding the Fourth Proportional to 87,216.41, 130,825.12 and 31,058.70

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Solution

The fourth proportional to 87,216.41, 130,825.12 and 31,058.70 is: 46,588.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,216.41 : 130,825.12 = 31,058.70 : x
  2. Step 2: Convert to fraction form
    87,216.41/130,825.12 = 31,058.70/x
  3. Step 3: Cross multiply
    87,216.41x = 130,825.12 × 31,058.70
  4. Step 4: Simplify right side
    87,216.41x = 4,063,258,154.54
  5. Step 5: Solve for x
    x = 4,063,258,154.54/87,216.41
  6. Step 6: Final answer
    x = 46,588.23

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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.