Home / 83,556.20-125,445.54-48,521

Finding the Fourth Proportional to 83,556.20, 125,445.54 and 48,521

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Solution

The fourth proportional to 83,556.20, 125,445.54 and 48,521 is: 72,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,556.20 : 125,445.54 = 48,521 : x
  2. Step 2: Convert to fraction form
    83,556.20/125,445.54 = 48,521/x
  3. Step 3: Cross multiply
    83,556.20x = 125,445.54 × 48,521
  4. Step 4: Simplify right side
    83,556.20x = 6,086,743,046.34
  5. Step 5: Solve for x
    x = 6,086,743,046.34/83,556.20
  6. Step 6: Final answer
    x = 72,846.10

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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.