Home / 83,419.24-125,145.60-36,672.16

Finding the Fourth Proportional to 83,419.24, 125,145.60 and 36,672.16

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Solution

The fourth proportional to 83,419.24, 125,145.60 and 36,672.16 is: 55,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,419.24 : 125,145.60 = 36,672.16 : x
  2. Step 2: Convert to fraction form
    83,419.24/125,145.60 = 36,672.16/x
  3. Step 3: Cross multiply
    83,419.24x = 125,145.60 × 36,672.16
  4. Step 4: Simplify right side
    83,419.24x = 4,589,359,466.50
  5. Step 5: Solve for x
    x = 4,589,359,466.50/83,419.24
  6. Step 6: Final answer
    x = 55,015.60

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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.