Home / 43,375.70-65,088.16-20,002.14

Finding the Fourth Proportional to 43,375.70, 65,088.16 and 20,002.14

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Solution

The fourth proportional to 43,375.70, 65,088.16 and 20,002.14 is: 30,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,375.70 : 65,088.16 = 20,002.14 : x
  2. Step 2: Convert to fraction form
    43,375.70/65,088.16 = 20,002.14/x
  3. Step 3: Cross multiply
    43,375.70x = 65,088.16 × 20,002.14
  4. Step 4: Simplify right side
    43,375.70x = 1,301,902,488.66
  5. Step 5: Solve for x
    x = 1,301,902,488.66/43,375.70
  6. Step 6: Final answer
    x = 30,014.56

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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.