Home / 80,293.80-120,345.02-32,906.98

Finding the Fourth Proportional to 80,293.80, 120,345.02 and 32,906.98

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Solution

The fourth proportional to 80,293.80, 120,345.02 and 32,906.98 is: 49,321.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,293.80 : 120,345.02 = 32,906.98 : x
  2. Step 2: Convert to fraction form
    80,293.80/120,345.02 = 32,906.98/x
  3. Step 3: Cross multiply
    80,293.80x = 120,345.02 × 32,906.98
  4. Step 4: Simplify right side
    80,293.80x = 3,960,191,166.24
  5. Step 5: Solve for x
    x = 3,960,191,166.24/80,293.80
  6. Step 6: Final answer
    x = 49,321.26

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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.