Home / 69,640.29-104,320.80-32,149.53

Finding the Fourth Proportional to 69,640.29, 104,320.80 and 32,149.53

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Solution

The fourth proportional to 69,640.29, 104,320.80 and 32,149.53 is: 48,159.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,640.29 : 104,320.80 = 32,149.53 : x
  2. Step 2: Convert to fraction form
    69,640.29/104,320.80 = 32,149.53/x
  3. Step 3: Cross multiply
    69,640.29x = 104,320.80 × 32,149.53
  4. Step 4: Simplify right side
    69,640.29x = 3,353,864,689.22
  5. Step 5: Solve for x
    x = 3,353,864,689.22/69,640.29
  6. Step 6: Final answer
    x = 48,159.83

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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.