Home / 83,016.72-114,563.43-45,291.78

Finding the Fourth Proportional to 83,016.72, 114,563.43 and 45,291.78

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Solution

The fourth proportional to 83,016.72, 114,563.43 and 45,291.78 is: 62,502.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,016.72 : 114,563.43 = 45,291.78 : x
  2. Step 2: Convert to fraction form
    83,016.72/114,563.43 = 45,291.78/x
  3. Step 3: Cross multiply
    83,016.72x = 114,563.43 × 45,291.78
  4. Step 4: Simplify right side
    83,016.72x = 5,188,781,667.61
  5. Step 5: Solve for x
    x = 5,188,781,667.61/83,016.72
  6. Step 6: Final answer
    x = 62,502.85

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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.