Home / 83,829.44-125,752.37-30,535.90

Finding the Fourth Proportional to 83,829.44, 125,752.37 and 30,535.90

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Solution

The fourth proportional to 83,829.44, 125,752.37 and 30,535.90 is: 45,806.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,829.44 : 125,752.37 = 30,535.90 : x
  2. Step 2: Convert to fraction form
    83,829.44/125,752.37 = 30,535.90/x
  3. Step 3: Cross multiply
    83,829.44x = 125,752.37 × 30,535.90
  4. Step 4: Simplify right side
    83,829.44x = 3,839,961,328.02
  5. Step 5: Solve for x
    x = 3,839,961,328.02/83,829.44
  6. Step 6: Final answer
    x = 45,806.83

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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.