Home / 80,066.40-120,102.03-27,475.13

Finding the Fourth Proportional to 80,066.40, 120,102.03 and 27,475.13

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Solution

The fourth proportional to 80,066.40, 120,102.03 and 27,475.13 is: 41,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,066.40 : 120,102.03 = 27,475.13 : x
  2. Step 2: Convert to fraction form
    80,066.40/120,102.03 = 27,475.13/x
  3. Step 3: Cross multiply
    80,066.40x = 120,102.03 × 27,475.13
  4. Step 4: Simplify right side
    80,066.40x = 3,299,818,287.00
  5. Step 5: Solve for x
    x = 3,299,818,287.00/80,066.40
  6. Step 6: Final answer
    x = 41,213.52

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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.