Home / 82,862.20-124,293.30-60,311.80

Finding the Fourth Proportional to 82,862.20, 124,293.30 and 60,311.80

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Solution

The fourth proportional to 82,862.20, 124,293.30 and 60,311.80 is: 90,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,862.20 : 124,293.30 = 60,311.80 : x
  2. Step 2: Convert to fraction form
    82,862.20/124,293.30 = 60,311.80/x
  3. Step 3: Cross multiply
    82,862.20x = 124,293.30 × 60,311.80
  4. Step 4: Simplify right side
    82,862.20x = 7,496,352,650.94
  5. Step 5: Solve for x
    x = 7,496,352,650.94/82,862.20
  6. Step 6: Final answer
    x = 90,467.70

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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.