Home / 40,720.75-61,066.11-14,059.93

Finding the Fourth Proportional to 40,720.75, 61,066.11 and 14,059.93

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Solution

The fourth proportional to 40,720.75, 61,066.11 and 14,059.93 is: 21,084.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,720.75 : 61,066.11 = 14,059.93 : x
  2. Step 2: Convert to fraction form
    40,720.75/61,066.11 = 14,059.93/x
  3. Step 3: Cross multiply
    40,720.75x = 61,066.11 × 14,059.93
  4. Step 4: Simplify right side
    40,720.75x = 858,585,231.97
  5. Step 5: Solve for x
    x = 858,585,231.97/40,720.75
  6. Step 6: Final answer
    x = 21,084.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.