Home / 83,475.53-125,221.02-30,180.83

Finding the Fourth Proportional to 83,475.53, 125,221.02 and 30,180.83

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Solution

The fourth proportional to 83,475.53, 125,221.02 and 30,180.83 is: 45,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,475.53 : 125,221.02 = 30,180.83 : x
  2. Step 2: Convert to fraction form
    83,475.53/125,221.02 = 30,180.83/x
  3. Step 3: Cross multiply
    83,475.53x = 125,221.02 × 30,180.83
  4. Step 4: Simplify right side
    83,475.53x = 3,779,274,743.28
  5. Step 5: Solve for x
    x = 3,779,274,743.28/83,475.53
  6. Step 6: Final answer
    x = 45,274.05

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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.