Home / 69,389.92-95,767.86-39,187.36

Finding the Fourth Proportional to 69,389.92, 95,767.86 and 39,187.36

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Solution

The fourth proportional to 69,389.92, 95,767.86 and 39,187.36 is: 54,084.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,389.92 : 95,767.86 = 39,187.36 : x
  2. Step 2: Convert to fraction form
    69,389.92/95,767.86 = 39,187.36/x
  3. Step 3: Cross multiply
    69,389.92x = 95,767.86 × 39,187.36
  4. Step 4: Simplify right side
    69,389.92x = 3,752,889,606.25
  5. Step 5: Solve for x
    x = 3,752,889,606.25/69,389.92
  6. Step 6: Final answer
    x = 54,084.07

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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.