Home / 90,429.13-124,793.70-50,144.59

Finding the Fourth Proportional to 90,429.13, 124,793.70 and 50,144.59

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Solution

The fourth proportional to 90,429.13, 124,793.70 and 50,144.59 is: 69,200.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,429.13 : 124,793.70 = 50,144.59 : x
  2. Step 2: Convert to fraction form
    90,429.13/124,793.70 = 50,144.59/x
  3. Step 3: Cross multiply
    90,429.13x = 124,793.70 × 50,144.59
  4. Step 4: Simplify right side
    90,429.13x = 6,257,728,921.08
  5. Step 5: Solve for x
    x = 6,257,728,921.08/90,429.13
  6. Step 6: Final answer
    x = 69,200.37

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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.