Home / 90,542.43-124,947.33-50,256.09

Finding the Fourth Proportional to 90,542.43, 124,947.33 and 50,256.09

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Solution

The fourth proportional to 90,542.43, 124,947.33 and 50,256.09 is: 69,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,542.43 : 124,947.33 = 50,256.09 : x
  2. Step 2: Convert to fraction form
    90,542.43/124,947.33 = 50,256.09/x
  3. Step 3: Cross multiply
    90,542.43x = 124,947.33 × 50,256.09
  4. Step 4: Simplify right side
    90,542.43x = 6,279,364,261.74
  5. Step 5: Solve for x
    x = 6,279,364,261.74/90,542.43
  6. Step 6: Final answer
    x = 69,352.73

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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.