Home / 69,712.85-96,221.22-39,516.18

Finding the Fourth Proportional to 69,712.85, 96,221.22 and 39,516.18

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Solution

The fourth proportional to 69,712.85, 96,221.22 and 39,516.18 is: 54,542.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,712.85 : 96,221.22 = 39,516.18 : x
  2. Step 2: Convert to fraction form
    69,712.85/96,221.22 = 39,516.18/x
  3. Step 3: Cross multiply
    69,712.85x = 96,221.22 × 39,516.18
  4. Step 4: Simplify right side
    69,712.85x = 3,802,295,049.34
  5. Step 5: Solve for x
    x = 3,802,295,049.34/69,712.85
  6. Step 6: Final answer
    x = 54,542.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.