Home / 88,386.30-132,579.45-21,825.90

Finding the Fourth Proportional to 88,386.30, 132,579.45 and 21,825.90

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Solution

The fourth proportional to 88,386.30, 132,579.45 and 21,825.90 is: 32,738.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,386.30 : 132,579.45 = 21,825.90 : x
  2. Step 2: Convert to fraction form
    88,386.30/132,579.45 = 21,825.90/x
  3. Step 3: Cross multiply
    88,386.30x = 132,579.45 × 21,825.90
  4. Step 4: Simplify right side
    88,386.30x = 2,893,665,817.76
  5. Step 5: Solve for x
    x = 2,893,665,817.76/88,386.30
  6. Step 6: Final answer
    x = 32,738.85

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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.