Home / 90,407.88-124,763.76-50,122.26

Finding the Fourth Proportional to 90,407.88, 124,763.76 and 50,122.26

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Solution

The fourth proportional to 90,407.88, 124,763.76 and 50,122.26 is: 69,169.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,407.88 : 124,763.76 = 50,122.26 : x
  2. Step 2: Convert to fraction form
    90,407.88/124,763.76 = 50,122.26/x
  3. Step 3: Cross multiply
    90,407.88x = 124,763.76 × 50,122.26
  4. Step 4: Simplify right side
    90,407.88x = 6,253,441,617.30
  5. Step 5: Solve for x
    x = 6,253,441,617.30/90,407.88
  6. Step 6: Final answer
    x = 69,169.21

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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.