Home / 83,000.25-124,380.72-47,351.68

Finding the Fourth Proportional to 83,000.25, 124,380.72 and 47,351.68

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Solution

The fourth proportional to 83,000.25, 124,380.72 and 47,351.68 is: 70,959.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,000.25 : 124,380.72 = 47,351.68 : x
  2. Step 2: Convert to fraction form
    83,000.25/124,380.72 = 47,351.68/x
  3. Step 3: Cross multiply
    83,000.25x = 124,380.72 × 47,351.68
  4. Step 4: Simplify right side
    83,000.25x = 5,889,635,740.66
  5. Step 5: Solve for x
    x = 5,889,635,740.66/83,000.25
  6. Step 6: Final answer
    x = 70,959.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.