Home / 87,993.52-121,531.27-59,650

Finding the Fourth Proportional to 87,993.52, 121,531.27 and 59,650

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Solution

The fourth proportional to 87,993.52, 121,531.27 and 59,650 is: 82,384.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,993.52 : 121,531.27 = 59,650 : x
  2. Step 2: Convert to fraction form
    87,993.52/121,531.27 = 59,650/x
  3. Step 3: Cross multiply
    87,993.52x = 121,531.27 × 59,650
  4. Step 4: Simplify right side
    87,993.52x = 7,249,340,255.50
  5. Step 5: Solve for x
    x = 7,249,340,255.50/87,993.52
  6. Step 6: Final answer
    x = 82,384.93

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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.