Home / 70,174.42-105,278.18-22,789.36

Finding the Fourth Proportional to 70,174.42, 105,278.18 and 22,789.36

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Solution

The fourth proportional to 70,174.42, 105,278.18 and 22,789.36 is: 34,189.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,174.42 : 105,278.18 = 22,789.36 : x
  2. Step 2: Convert to fraction form
    70,174.42/105,278.18 = 22,789.36/x
  3. Step 3: Cross multiply
    70,174.42x = 105,278.18 × 22,789.36
  4. Step 4: Simplify right side
    70,174.42x = 2,399,222,344.16
  5. Step 5: Solve for x
    x = 2,399,222,344.16/70,174.42
  6. Step 6: Final answer
    x = 34,189.41

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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.