Home / 88,672.20-132,837.66-55,405.32

Finding the Fourth Proportional to 88,672.20, 132,837.66 and 55,405.32

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Solution

The fourth proportional to 88,672.20, 132,837.66 and 55,405.32 is: 83,001.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,672.20 : 132,837.66 = 55,405.32 : x
  2. Step 2: Convert to fraction form
    88,672.20/132,837.66 = 55,405.32/x
  3. Step 3: Cross multiply
    88,672.20x = 132,837.66 × 55,405.32
  4. Step 4: Simplify right side
    88,672.20x = 7,359,913,060.35
  5. Step 5: Solve for x
    x = 7,359,913,060.35/88,672.20
  6. Step 6: Final answer
    x = 83,001.36

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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.