Home / 69,078.65-95,327.75-38,864.03

Finding the Fourth Proportional to 69,078.65, 95,327.75 and 38,864.03

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Solution

The fourth proportional to 69,078.65, 95,327.75 and 38,864.03 is: 53,631.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,078.65 : 95,327.75 = 38,864.03 : x
  2. Step 2: Convert to fraction form
    69,078.65/95,327.75 = 38,864.03/x
  3. Step 3: Cross multiply
    69,078.65x = 95,327.75 × 38,864.03
  4. Step 4: Simplify right side
    69,078.65x = 3,704,820,156.35
  5. Step 5: Solve for x
    x = 3,704,820,156.35/69,078.65
  6. Step 6: Final answer
    x = 53,631.92

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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.