Home / 80,298.27-120,475.35-35,929.71

Finding the Fourth Proportional to 80,298.27, 120,475.35 and 35,929.71

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Solution

The fourth proportional to 80,298.27, 120,475.35 and 35,929.71 is: 53,907.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,298.27 : 120,475.35 = 35,929.71 : x
  2. Step 2: Convert to fraction form
    80,298.27/120,475.35 = 35,929.71/x
  3. Step 3: Cross multiply
    80,298.27x = 120,475.35 × 35,929.71
  4. Step 4: Simplify right side
    80,298.27x = 4,328,644,387.65
  5. Step 5: Solve for x
    x = 4,328,644,387.65/80,298.27
  6. Step 6: Final answer
    x = 53,907.07

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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.