Home / 90,432.82-124,772.24-52,189.68

Finding the Fourth Proportional to 90,432.82, 124,772.24 and 52,189.68

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Solution

The fourth proportional to 90,432.82, 124,772.24 and 52,189.68 is: 72,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,432.82 : 124,772.24 = 52,189.68 : x
  2. Step 2: Convert to fraction form
    90,432.82/124,772.24 = 52,189.68/x
  3. Step 3: Cross multiply
    90,432.82x = 124,772.24 × 52,189.68
  4. Step 4: Simplify right side
    90,432.82x = 6,511,823,278.48
  5. Step 5: Solve for x
    x = 6,511,823,278.48/90,432.82
  6. Step 6: Final answer
    x = 72,007.30

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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.