Home / 88,675.40-132,891.60-56,988.20

Finding the Fourth Proportional to 88,675.40, 132,891.60 and 56,988.20

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Solution

The fourth proportional to 88,675.40, 132,891.60 and 56,988.20 is: 85,404.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,675.40 : 132,891.60 = 56,988.20 : x
  2. Step 2: Convert to fraction form
    88,675.40/132,891.60 = 56,988.20/x
  3. Step 3: Cross multiply
    88,675.40x = 132,891.60 × 56,988.20
  4. Step 4: Simplify right side
    88,675.40x = 7,573,253,079.12
  5. Step 5: Solve for x
    x = 7,573,253,079.12/88,675.40
  6. Step 6: Final answer
    x = 85,404.22

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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.