Home / 90,398.30-124,757.10-50,124.69

Finding the Fourth Proportional to 90,398.30, 124,757.10 and 50,124.69

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Solution

The fourth proportional to 90,398.30, 124,757.10 and 50,124.69 is: 69,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,398.30 : 124,757.10 = 50,124.69 : x
  2. Step 2: Convert to fraction form
    90,398.30/124,757.10 = 50,124.69/x
  3. Step 3: Cross multiply
    90,398.30x = 124,757.10 × 50,124.69
  4. Step 4: Simplify right side
    90,398.30x = 6,253,410,962.80
  5. Step 5: Solve for x
    x = 6,253,410,962.80/90,398.30
  6. Step 6: Final answer
    x = 69,176.20

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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.