Home / 83,756.12-125,617.46-41,043.20

Finding the Fourth Proportional to 83,756.12, 125,617.46 and 41,043.20

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Solution

The fourth proportional to 83,756.12, 125,617.46 and 41,043.20 is: 61,556.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,756.12 : 125,617.46 = 41,043.20 : x
  2. Step 2: Convert to fraction form
    83,756.12/125,617.46 = 41,043.20/x
  3. Step 3: Cross multiply
    83,756.12x = 125,617.46 × 41,043.20
  4. Step 4: Simplify right side
    83,756.12x = 5,155,742,534.27
  5. Step 5: Solve for x
    x = 5,155,742,534.27/83,756.12
  6. Step 6: Final answer
    x = 61,556.61

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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.