Home / 90,761.49-125,254.05-50,476.95

Finding the Fourth Proportional to 90,761.49, 125,254.05 and 50,476.95

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Solution

The fourth proportional to 90,761.49, 125,254.05 and 50,476.95 is: 69,659.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,761.49 : 125,254.05 = 50,476.95 : x
  2. Step 2: Convert to fraction form
    90,761.49/125,254.05 = 50,476.95/x
  3. Step 3: Cross multiply
    90,761.49x = 125,254.05 × 50,476.95
  4. Step 4: Simplify right side
    90,761.49x = 6,322,442,419.15
  5. Step 5: Solve for x
    x = 6,322,442,419.15/90,761.49
  6. Step 6: Final answer
    x = 69,659.97

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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.