Home / 103,514.20-155,396.10-59,171.80

Finding the Fourth Proportional to 103,514.20, 155,396.10 and 59,171.80

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Solution

The fourth proportional to 103,514.20, 155,396.10 and 59,171.80 is: 88,829.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,514.20 : 155,396.10 = 59,171.80 : x
  2. Step 2: Convert to fraction form
    103,514.20/155,396.10 = 59,171.80/x
  3. Step 3: Cross multiply
    103,514.20x = 155,396.10 × 59,171.80
  4. Step 4: Simplify right side
    103,514.20x = 9,195,066,949.98
  5. Step 5: Solve for x
    x = 9,195,066,949.98/103,514.20
  6. Step 6: Final answer
    x = 88,829.04

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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.