Home / 80,386.24-120,562.08-50,386

Finding the Fourth Proportional to 80,386.24, 120,562.08 and 50,386

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Solution

The fourth proportional to 80,386.24, 120,562.08 and 50,386 is: 75,568.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,386.24 : 120,562.08 = 50,386 : x
  2. Step 2: Convert to fraction form
    80,386.24/120,562.08 = 50,386/x
  3. Step 3: Cross multiply
    80,386.24x = 120,562.08 × 50,386
  4. Step 4: Simplify right side
    80,386.24x = 6,074,640,962.88
  5. Step 5: Solve for x
    x = 6,074,640,962.88/80,386.24
  6. Step 6: Final answer
    x = 75,568.17

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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.