Home / 80,483.19-120,727.32-38,367.87

Finding the Fourth Proportional to 80,483.19, 120,727.32 and 38,367.87

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Solution

The fourth proportional to 80,483.19, 120,727.32 and 38,367.87 is: 57,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,483.19 : 120,727.32 = 38,367.87 : x
  2. Step 2: Convert to fraction form
    80,483.19/120,727.32 = 38,367.87/x
  3. Step 3: Cross multiply
    80,483.19x = 120,727.32 × 38,367.87
  4. Step 4: Simplify right side
    80,483.19x = 4,632,050,119.21
  5. Step 5: Solve for x
    x = 4,632,050,119.21/80,483.19
  6. Step 6: Final answer
    x = 57,553.01

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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.