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Finding the Fourth Proportional to 64,357.36, 88,815.56 and 36,062

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Solution

The fourth proportional to 64,357.36, 88,815.56 and 36,062 is: 49,766.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,357.36 : 88,815.56 = 36,062 : x
  2. Step 2: Convert to fraction form
    64,357.36/88,815.56 = 36,062/x
  3. Step 3: Cross multiply
    64,357.36x = 88,815.56 × 36,062
  4. Step 4: Simplify right side
    64,357.36x = 3,202,866,724.72
  5. Step 5: Solve for x
    x = 3,202,866,724.72/64,357.36
  6. Step 6: Final answer
    x = 49,766.91

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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.