Home / 83,638.58-125,346.69-45,590.04

Finding the Fourth Proportional to 83,638.58, 125,346.69 and 45,590.04

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Solution

The fourth proportional to 83,638.58, 125,346.69 and 45,590.04 is: 68,324.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,638.58 : 125,346.69 = 45,590.04 : x
  2. Step 2: Convert to fraction form
    83,638.58/125,346.69 = 45,590.04/x
  3. Step 3: Cross multiply
    83,638.58x = 125,346.69 × 45,590.04
  4. Step 4: Simplify right side
    83,638.58x = 5,714,560,610.97
  5. Step 5: Solve for x
    x = 5,714,560,610.97/83,638.58
  6. Step 6: Final answer
    x = 68,324.46

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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.