Home / 72,521.26-108,825.03-39,240.66

Finding the Fourth Proportional to 72,521.26, 108,825.03 and 39,240.66

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Solution

The fourth proportional to 72,521.26, 108,825.03 and 39,240.66 is: 58,884.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,521.26 : 108,825.03 = 39,240.66 : x
  2. Step 2: Convert to fraction form
    72,521.26/108,825.03 = 39,240.66/x
  3. Step 3: Cross multiply
    72,521.26x = 108,825.03 × 39,240.66
  4. Step 4: Simplify right side
    72,521.26x = 4,270,366,001.72
  5. Step 5: Solve for x
    x = 4,270,366,001.72/72,521.26
  6. Step 6: Final answer
    x = 58,884.33

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1.5x scale

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.