Home / 88,631.68-132,635.40-55,367.36

Finding the Fourth Proportional to 88,631.68, 132,635.40 and 55,367.36

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Solution

The fourth proportional to 88,631.68, 132,635.40 and 55,367.36 is: 82,856.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,631.68 : 132,635.40 = 55,367.36 : x
  2. Step 2: Convert to fraction form
    88,631.68/132,635.40 = 55,367.36/x
  3. Step 3: Cross multiply
    88,631.68x = 132,635.40 × 55,367.36
  4. Step 4: Simplify right side
    88,631.68x = 7,343,671,940.54
  5. Step 5: Solve for x
    x = 7,343,671,940.54/88,631.68
  6. Step 6: Final answer
    x = 82,856.06

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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.