Home / 69,738.78-96,239.25-39,529.92

Finding the Fourth Proportional to 69,738.78, 96,239.25 and 39,529.92

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Solution

The fourth proportional to 69,738.78, 96,239.25 and 39,529.92 is: 54,551.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,738.78 : 96,239.25 = 39,529.92 : x
  2. Step 2: Convert to fraction form
    69,738.78/96,239.25 = 39,529.92/x
  3. Step 3: Cross multiply
    69,738.78x = 96,239.25 × 39,529.92
  4. Step 4: Simplify right side
    69,738.78x = 3,804,329,853.36
  5. Step 5: Solve for x
    x = 3,804,329,853.36/69,738.78
  6. Step 6: Final answer
    x = 54,551.14

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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.