Home / 83,751.45-115,577.46-45,511.29

Finding the Fourth Proportional to 83,751.45, 115,577.46 and 45,511.29

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Solution

The fourth proportional to 83,751.45, 115,577.46 and 45,511.29 is: 62,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,751.45 : 115,577.46 = 45,511.29 : x
  2. Step 2: Convert to fraction form
    83,751.45/115,577.46 = 45,511.29/x
  3. Step 3: Cross multiply
    83,751.45x = 115,577.46 × 45,511.29
  4. Step 4: Simplify right side
    83,751.45x = 5,260,079,299.52
  5. Step 5: Solve for x
    x = 5,260,079,299.52/83,751.45
  6. Step 6: Final answer
    x = 62,805.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.