Home / 69,170.31-95,391.14-51,309.81

Finding the Fourth Proportional to 69,170.31, 95,391.14 and 51,309.81

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Solution

The fourth proportional to 69,170.31, 95,391.14 and 51,309.81 is: 70,760.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,170.31 : 95,391.14 = 51,309.81 : x
  2. Step 2: Convert to fraction form
    69,170.31/95,391.14 = 51,309.81/x
  3. Step 3: Cross multiply
    69,170.31x = 95,391.14 × 51,309.81
  4. Step 4: Simplify right side
    69,170.31x = 4,894,501,012.53
  5. Step 5: Solve for x
    x = 4,894,501,012.53/69,170.31
  6. Step 6: Final answer
    x = 70,760.14

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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.