Home / 90,414.30-124,779.13-50,140.70

Finding the Fourth Proportional to 90,414.30, 124,779.13 and 50,140.70

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Solution

The fourth proportional to 90,414.30, 124,779.13 and 50,140.70 is: 69,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,414.30 : 124,779.13 = 50,140.70 : x
  2. Step 2: Convert to fraction form
    90,414.30/124,779.13 = 50,140.70/x
  3. Step 3: Cross multiply
    90,414.30x = 124,779.13 × 50,140.70
  4. Step 4: Simplify right side
    90,414.30x = 6,256,512,923.59
  5. Step 5: Solve for x
    x = 6,256,512,923.59/90,414.30
  6. Step 6: Final answer
    x = 69,198.27

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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.