Home / 62,691.10-86,513.04-34,396.78

Finding the Fourth Proportional to 62,691.10, 86,513.04 and 34,396.78

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Solution

The fourth proportional to 62,691.10, 86,513.04 and 34,396.78 is: 47,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,691.10 : 86,513.04 = 34,396.78 : x
  2. Step 2: Convert to fraction form
    62,691.10/86,513.04 = 34,396.78/x
  3. Step 3: Cross multiply
    62,691.10x = 86,513.04 × 34,396.78
  4. Step 4: Simplify right side
    62,691.10x = 2,975,770,004.01
  5. Step 5: Solve for x
    x = 2,975,770,004.01/62,691.10
  6. Step 6: Final answer
    x = 47,467.18

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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.