Home / 79,043.20-118,489.20-39,560.56

Finding the Fourth Proportional to 79,043.20, 118,489.20 and 39,560.56

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Solution

The fourth proportional to 79,043.20, 118,489.20 and 39,560.56 is: 59,303.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,043.20 : 118,489.20 = 39,560.56 : x
  2. Step 2: Convert to fraction form
    79,043.20/118,489.20 = 39,560.56/x
  3. Step 3: Cross multiply
    79,043.20x = 118,489.20 × 39,560.56
  4. Step 4: Simplify right side
    79,043.20x = 4,687,499,105.95
  5. Step 5: Solve for x
    x = 4,687,499,105.95/79,043.20
  6. Step 6: Final answer
    x = 59,303.00

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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.