Home / 71,318.30-98,441.13-41,123.75

Finding the Fourth Proportional to 71,318.30, 98,441.13 and 41,123.75

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Solution

The fourth proportional to 71,318.30, 98,441.13 and 41,123.75 is: 56,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,318.30 : 98,441.13 = 41,123.75 : x
  2. Step 2: Convert to fraction form
    71,318.30/98,441.13 = 41,123.75/x
  3. Step 3: Cross multiply
    71,318.30x = 98,441.13 × 41,123.75
  4. Step 4: Simplify right side
    71,318.30x = 4,048,268,419.84
  5. Step 5: Solve for x
    x = 4,048,268,419.84/71,318.30
  6. Step 6: Final answer
    x = 56,763.39

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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.