Home / 86,104.18-118,819.20-48,376

Finding the Fourth Proportional to 86,104.18, 118,819.20 and 48,376

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Solution

The fourth proportional to 86,104.18, 118,819.20 and 48,376 is: 66,756.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,104.18 : 118,819.20 = 48,376 : x
  2. Step 2: Convert to fraction form
    86,104.18/118,819.20 = 48,376/x
  3. Step 3: Cross multiply
    86,104.18x = 118,819.20 × 48,376
  4. Step 4: Simplify right side
    86,104.18x = 5,747,997,619.20
  5. Step 5: Solve for x
    x = 5,747,997,619.20/86,104.18
  6. Step 6: Final answer
    x = 66,756.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.