Home / 84,049.22-126,080.11-30,753.65

Finding the Fourth Proportional to 84,049.22, 126,080.11 and 30,753.65

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Solution

The fourth proportional to 84,049.22, 126,080.11 and 30,753.65 is: 46,132.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,049.22 : 126,080.11 = 30,753.65 : x
  2. Step 2: Convert to fraction form
    84,049.22/126,080.11 = 30,753.65/x
  3. Step 3: Cross multiply
    84,049.22x = 126,080.11 × 30,753.65
  4. Step 4: Simplify right side
    84,049.22x = 3,877,423,574.90
  5. Step 5: Solve for x
    x = 3,877,423,574.90/84,049.22
  6. Step 6: Final answer
    x = 46,132.77

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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.