Home / 69,118.06-103,616.60-57,369.56

Finding the Fourth Proportional to 69,118.06, 103,616.60 and 57,369.56

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Solution

The fourth proportional to 69,118.06, 103,616.60 and 57,369.56 is: 86,004.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,118.06 : 103,616.60 = 57,369.56 : x
  2. Step 2: Convert to fraction form
    69,118.06/103,616.60 = 57,369.56/x
  3. Step 3: Cross multiply
    69,118.06x = 103,616.60 × 57,369.56
  4. Step 4: Simplify right side
    69,118.06x = 5,944,438,750.70
  5. Step 5: Solve for x
    x = 5,944,438,750.70/69,118.06
  6. Step 6: Final answer
    x = 86,004.13

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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.