Home / 47,967.12-71,971.40-25,754.55

Finding the Fourth Proportional to 47,967.12, 71,971.40 and 25,754.55

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Solution

The fourth proportional to 47,967.12, 71,971.40 and 25,754.55 is: 38,642.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,967.12 : 71,971.40 = 25,754.55 : x
  2. Step 2: Convert to fraction form
    47,967.12/71,971.40 = 25,754.55/x
  3. Step 3: Cross multiply
    47,967.12x = 71,971.40 × 25,754.55
  4. Step 4: Simplify right side
    47,967.12x = 1,853,591,019.87
  5. Step 5: Solve for x
    x = 1,853,591,019.87/47,967.12
  6. Step 6: Final answer
    x = 38,642.95

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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.