Home / 87,331.52-130,984.52-42,946.35

Finding the Fourth Proportional to 87,331.52, 130,984.52 and 42,946.35

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Solution

The fourth proportional to 87,331.52, 130,984.52 and 42,946.35 is: 64,413.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,331.52 : 130,984.52 = 42,946.35 : x
  2. Step 2: Convert to fraction form
    87,331.52/130,984.52 = 42,946.35/x
  3. Step 3: Cross multiply
    87,331.52x = 130,984.52 × 42,946.35
  4. Step 4: Simplify right side
    87,331.52x = 5,625,306,825.77
  5. Step 5: Solve for x
    x = 5,625,306,825.77/87,331.52
  6. Step 6: Final answer
    x = 64,413.25

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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.