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Finding the Fourth Proportional to 81,049.52, 111,867 and 47,526.32

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Solution

The fourth proportional to 81,049.52, 111,867 and 47,526.32 is: 65,597.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,049.52 : 111,867 = 47,526.32 : x
  2. Step 2: Convert to fraction form
    81,049.52/111,867 = 47,526.32/x
  3. Step 3: Cross multiply
    81,049.52x = 111,867 × 47,526.32
  4. Step 4: Simplify right side
    81,049.52x = 5,316,626,839.44
  5. Step 5: Solve for x
    x = 5,316,626,839.44/81,049.52
  6. Step 6: Final answer
    x = 65,597.26

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