Home / 87,826.06-131,756.10-28,645.84

Finding the Fourth Proportional to 87,826.06, 131,756.10 and 28,645.84

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Solution

The fourth proportional to 87,826.06, 131,756.10 and 28,645.84 is: 42,974.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,826.06 : 131,756.10 = 28,645.84 : x
  2. Step 2: Convert to fraction form
    87,826.06/131,756.10 = 28,645.84/x
  3. Step 3: Cross multiply
    87,826.06x = 131,756.10 × 28,645.84
  4. Step 4: Simplify right side
    87,826.06x = 3,774,264,159.62
  5. Step 5: Solve for x
    x = 3,774,264,159.62/87,826.06
  6. Step 6: Final answer
    x = 42,974.31

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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.