Home / 71,902.46-99,224.42-40,071.26

Finding the Fourth Proportional to 71,902.46, 99,224.42 and 40,071.26

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Solution

The fourth proportional to 71,902.46, 99,224.42 and 40,071.26 is: 55,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,902.46 : 99,224.42 = 40,071.26 : x
  2. Step 2: Convert to fraction form
    71,902.46/99,224.42 = 40,071.26/x
  3. Step 3: Cross multiply
    71,902.46x = 99,224.42 × 40,071.26
  4. Step 4: Simplify right side
    71,902.46x = 3,976,047,532.17
  5. Step 5: Solve for x
    x = 3,976,047,532.17/71,902.46
  6. Step 6: Final answer
    x = 55,297.80

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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.