Home / 88,038.57-132,042.51-40,649.61

Finding the Fourth Proportional to 88,038.57, 132,042.51 and 40,649.61

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Solution

The fourth proportional to 88,038.57, 132,042.51 and 40,649.61 is: 60,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,038.57 : 132,042.51 = 40,649.61 : x
  2. Step 2: Convert to fraction form
    88,038.57/132,042.51 = 40,649.61/x
  3. Step 3: Cross multiply
    88,038.57x = 132,042.51 × 40,649.61
  4. Step 4: Simplify right side
    88,038.57x = 5,367,476,534.92
  5. Step 5: Solve for x
    x = 5,367,476,534.92/88,038.57
  6. Step 6: Final answer
    x = 60,967.33

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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.