Home / 83,505.20-125,270.75-28,096.88

Finding the Fourth Proportional to 83,505.20, 125,270.75 and 28,096.88

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Solution

The fourth proportional to 83,505.20, 125,270.75 and 28,096.88 is: 42,149.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,505.20 : 125,270.75 = 28,096.88 : x
  2. Step 2: Convert to fraction form
    83,505.20/125,270.75 = 28,096.88/x
  3. Step 3: Cross multiply
    83,505.20x = 125,270.75 × 28,096.88
  4. Step 4: Simplify right side
    83,505.20x = 3,519,716,674.15
  5. Step 5: Solve for x
    x = 3,519,716,674.15/83,505.20
  6. Step 6: Final answer
    x = 42,149.67

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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.