Home / 69,170.43-95,462.37-42,330.81

Finding the Fourth Proportional to 69,170.43, 95,462.37 and 42,330.81

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Solution

The fourth proportional to 69,170.43, 95,462.37 and 42,330.81 is: 58,420.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,170.43 : 95,462.37 = 42,330.81 : x
  2. Step 2: Convert to fraction form
    69,170.43/95,462.37 = 42,330.81/x
  3. Step 3: Cross multiply
    69,170.43x = 95,462.37 × 42,330.81
  4. Step 4: Simplify right side
    69,170.43x = 4,040,999,446.62
  5. Step 5: Solve for x
    x = 4,040,999,446.62/69,170.43
  6. Step 6: Final answer
    x = 58,420.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.