Home / 79,367.32-119,074.74-47,811.88

Finding the Fourth Proportional to 79,367.32, 119,074.74 and 47,811.88

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Solution

The fourth proportional to 79,367.32, 119,074.74 and 47,811.88 is: 71,732.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,367.32 : 119,074.74 = 47,811.88 : x
  2. Step 2: Convert to fraction form
    79,367.32/119,074.74 = 47,811.88/x
  3. Step 3: Cross multiply
    79,367.32x = 119,074.74 × 47,811.88
  4. Step 4: Simplify right side
    79,367.32x = 5,693,187,179.91
  5. Step 5: Solve for x
    x = 5,693,187,179.91/79,367.32
  6. Step 6: Final answer
    x = 71,732.13

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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.