Home / 85,381.56-117,808.29-49,552.43

Finding the Fourth Proportional to 85,381.56, 117,808.29 and 49,552.43

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Solution

The fourth proportional to 85,381.56, 117,808.29 and 49,552.43 is: 68,371.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,381.56 : 117,808.29 = 49,552.43 : x
  2. Step 2: Convert to fraction form
    85,381.56/117,808.29 = 49,552.43/x
  3. Step 3: Cross multiply
    85,381.56x = 117,808.29 × 49,552.43
  4. Step 4: Simplify right side
    85,381.56x = 5,837,686,454.60
  5. Step 5: Solve for x
    x = 5,837,686,454.60/85,381.56
  6. Step 6: Final answer
    x = 68,371.75

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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.