Home / 90,853.56-125,377.02-50,566.64

Finding the Fourth Proportional to 90,853.56, 125,377.02 and 50,566.64

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Solution

The fourth proportional to 90,853.56, 125,377.02 and 50,566.64 is: 69,781.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,853.56 : 125,377.02 = 50,566.64 : x
  2. Step 2: Convert to fraction form
    90,853.56/125,377.02 = 50,566.64/x
  3. Step 3: Cross multiply
    90,853.56x = 125,377.02 × 50,566.64
  4. Step 4: Simplify right side
    90,853.56x = 6,339,894,634.61
  5. Step 5: Solve for x
    x = 6,339,894,634.61/90,853.56
  6. Step 6: Final answer
    x = 69,781.47

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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.