Home / 51,756.26-71,419.71-29,091.65

Finding the Fourth Proportional to 51,756.26, 71,419.71 and 29,091.65

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Solution

The fourth proportional to 51,756.26, 71,419.71 and 29,091.65 is: 40,144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,756.26 : 71,419.71 = 29,091.65 : x
  2. Step 2: Convert to fraction form
    51,756.26/71,419.71 = 29,091.65/x
  3. Step 3: Cross multiply
    51,756.26x = 71,419.71 × 29,091.65
  4. Step 4: Simplify right side
    51,756.26x = 2,077,717,060.96
  5. Step 5: Solve for x
    x = 2,077,717,060.96/51,756.26
  6. Step 6: Final answer
    x = 40,144.27

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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.