Home / 90,422.59-124,789.46-50,140.07

Finding the Fourth Proportional to 90,422.59, 124,789.46 and 50,140.07

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Solution

The fourth proportional to 90,422.59, 124,789.46 and 50,140.07 is: 69,196.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,422.59 : 124,789.46 = 50,140.07 : x
  2. Step 2: Convert to fraction form
    90,422.59/124,789.46 = 50,140.07/x
  3. Step 3: Cross multiply
    90,422.59x = 124,789.46 × 50,140.07
  4. Step 4: Simplify right side
    90,422.59x = 6,256,952,259.66
  5. Step 5: Solve for x
    x = 6,256,952,259.66/90,422.59
  6. Step 6: Final answer
    x = 69,196.78

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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.