Home / 76,902.85-115,366.58-32,542.29

Finding the Fourth Proportional to 76,902.85, 115,366.58 and 32,542.29

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Solution

The fourth proportional to 76,902.85, 115,366.58 and 32,542.29 is: 48,818.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,902.85 : 115,366.58 = 32,542.29 : x
  2. Step 2: Convert to fraction form
    76,902.85/115,366.58 = 32,542.29/x
  3. Step 3: Cross multiply
    76,902.85x = 115,366.58 × 32,542.29
  4. Step 4: Simplify right side
    76,902.85x = 3,754,292,661.99
  5. Step 5: Solve for x
    x = 3,754,292,661.99/76,902.85
  6. Step 6: Final answer
    x = 48,818.64

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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.