Home / 88,070.12-132,119.85-28,889.90

Finding the Fourth Proportional to 88,070.12, 132,119.85 and 28,889.90

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Solution

The fourth proportional to 88,070.12, 132,119.85 and 28,889.90 is: 43,339.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,070.12 : 132,119.85 = 28,889.90 : x
  2. Step 2: Convert to fraction form
    88,070.12/132,119.85 = 28,889.90/x
  3. Step 3: Cross multiply
    88,070.12x = 132,119.85 × 28,889.90
  4. Step 4: Simplify right side
    88,070.12x = 3,816,929,254.52
  5. Step 5: Solve for x
    x = 3,816,929,254.52/88,070.12
  6. Step 6: Final answer
    x = 43,339.66

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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.