Home / 79,478.85-119,199.78-29,582.45

Finding the Fourth Proportional to 79,478.85, 119,199.78 and 29,582.45

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Solution

The fourth proportional to 79,478.85, 119,199.78 and 29,582.45 is: 44,366.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,478.85 : 119,199.78 = 29,582.45 : x
  2. Step 2: Convert to fraction form
    79,478.85/119,199.78 = 29,582.45/x
  3. Step 3: Cross multiply
    79,478.85x = 119,199.78 × 29,582.45
  4. Step 4: Simplify right side
    79,478.85x = 3,526,221,531.86
  5. Step 5: Solve for x
    x = 3,526,221,531.86/79,478.85
  6. Step 6: Final answer
    x = 44,366.79

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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.