Home / 80,208.83-120,262.19-38,062.91

Finding the Fourth Proportional to 80,208.83, 120,262.19 and 38,062.91

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Solution

The fourth proportional to 80,208.83, 120,262.19 and 38,062.91 is: 57,070.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,208.83 : 120,262.19 = 38,062.91 : x
  2. Step 2: Convert to fraction form
    80,208.83/120,262.19 = 38,062.91/x
  3. Step 3: Cross multiply
    80,208.83x = 120,262.19 × 38,062.91
  4. Step 4: Simplify right side
    80,208.83x = 4,577,528,122.75
  5. Step 5: Solve for x
    x = 4,577,528,122.75/80,208.83
  6. Step 6: Final answer
    x = 57,070.13

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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.