Home / 90,726.38-125,191.46-50,434.98

Finding the Fourth Proportional to 90,726.38, 125,191.46 and 50,434.98

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Solution

The fourth proportional to 90,726.38, 125,191.46 and 50,434.98 is: 69,594.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,726.38 : 125,191.46 = 50,434.98 : x
  2. Step 2: Convert to fraction form
    90,726.38/125,191.46 = 50,434.98/x
  3. Step 3: Cross multiply
    90,726.38x = 125,191.46 × 50,434.98
  4. Step 4: Simplify right side
    90,726.38x = 6,314,028,781.27
  5. Step 5: Solve for x
    x = 6,314,028,781.27/90,726.38
  6. Step 6: Final answer
    x = 69,594.19

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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.