Home / 107,897.20-161,845.53-29,011.42

Finding the Fourth Proportional to 107,897.20, 161,845.53 and 29,011.42

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Solution

The fourth proportional to 107,897.20, 161,845.53 and 29,011.42 is: 43,517.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,897.20 : 161,845.53 = 29,011.42 : x
  2. Step 2: Convert to fraction form
    107,897.20/161,845.53 = 29,011.42/x
  3. Step 3: Cross multiply
    107,897.20x = 161,845.53 × 29,011.42
  4. Step 4: Simplify right side
    107,897.20x = 4,695,368,645.95
  5. Step 5: Solve for x
    x = 4,695,368,645.95/107,897.20
  6. Step 6: Final answer
    x = 43,517.06

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1.5x scale

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.