Home / 71,914.13-99,241.95-40,085.04

Finding the Fourth Proportional to 71,914.13, 99,241.95 and 40,085.04

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Solution

The fourth proportional to 71,914.13, 99,241.95 and 40,085.04 is: 55,317.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,914.13 : 99,241.95 = 40,085.04 : x
  2. Step 2: Convert to fraction form
    71,914.13/99,241.95 = 40,085.04/x
  3. Step 3: Cross multiply
    71,914.13x = 99,241.95 × 40,085.04
  4. Step 4: Simplify right side
    71,914.13x = 3,978,117,535.43
  5. Step 5: Solve for x
    x = 3,978,117,535.43/71,914.13
  6. Step 6: Final answer
    x = 55,317.61

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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.