Home / 71,169.23-98,205.11-39,332.59

Finding the Fourth Proportional to 71,169.23, 98,205.11 and 39,332.59

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Solution

The fourth proportional to 71,169.23, 98,205.11 and 39,332.59 is: 54,274.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,169.23 : 98,205.11 = 39,332.59 : x
  2. Step 2: Convert to fraction form
    71,169.23/98,205.11 = 39,332.59/x
  3. Step 3: Cross multiply
    71,169.23x = 98,205.11 × 39,332.59
  4. Step 4: Simplify right side
    71,169.23x = 3,862,661,032.86
  5. Step 5: Solve for x
    x = 3,862,661,032.86/71,169.23
  6. Step 6: Final answer
    x = 54,274.31

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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.