Home / 79,170.62-118,590.68-47,480.18

Finding the Fourth Proportional to 79,170.62, 118,590.68 and 47,480.18

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Solution

The fourth proportional to 79,170.62, 118,590.68 and 47,480.18 is: 71,121.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,170.62 : 118,590.68 = 47,480.18 : x
  2. Step 2: Convert to fraction form
    79,170.62/118,590.68 = 47,480.18/x
  3. Step 3: Cross multiply
    79,170.62x = 118,590.68 × 47,480.18
  4. Step 4: Simplify right side
    79,170.62x = 5,630,706,358.47
  5. Step 5: Solve for x
    x = 5,630,706,358.47/79,170.62
  6. Step 6: Final answer
    x = 71,121.16

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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.