Home / 83,375.23-115,064.40-47,557.03

Finding the Fourth Proportional to 83,375.23, 115,064.40 and 47,557.03

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Solution

The fourth proportional to 83,375.23, 115,064.40 and 47,557.03 is: 65,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,375.23 : 115,064.40 = 47,557.03 : x
  2. Step 2: Convert to fraction form
    83,375.23/115,064.40 = 47,557.03/x
  3. Step 3: Cross multiply
    83,375.23x = 115,064.40 × 47,557.03
  4. Step 4: Simplify right side
    83,375.23x = 5,472,121,122.73
  5. Step 5: Solve for x
    x = 5,472,121,122.73/83,375.23
  6. Step 6: Final answer
    x = 65,632.46

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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.