Home / 90,615.61-125,046.08-50,331.95

Finding the Fourth Proportional to 90,615.61, 125,046.08 and 50,331.95

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Solution

The fourth proportional to 90,615.61, 125,046.08 and 50,331.95 is: 69,456.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,615.61 : 125,046.08 = 50,331.95 : x
  2. Step 2: Convert to fraction form
    90,615.61/125,046.08 = 50,331.95/x
  3. Step 3: Cross multiply
    90,615.61x = 125,046.08 × 50,331.95
  4. Step 4: Simplify right side
    90,615.61x = 6,293,813,295.96
  5. Step 5: Solve for x
    x = 6,293,813,295.96/90,615.61
  6. Step 6: Final answer
    x = 69,456.17

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1.5x scale

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.