Home / 83,474.10-115,193.61-45,748.26

Finding the Fourth Proportional to 83,474.10, 115,193.61 and 45,748.26

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Solution

The fourth proportional to 83,474.10, 115,193.61 and 45,748.26 is: 63,132.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,474.10 : 115,193.61 = 45,748.26 : x
  2. Step 2: Convert to fraction form
    83,474.10/115,193.61 = 45,748.26/x
  3. Step 3: Cross multiply
    83,474.10x = 115,193.61 × 45,748.26
  4. Step 4: Simplify right side
    83,474.10x = 5,269,907,220.62
  5. Step 5: Solve for x
    x = 5,269,907,220.62/83,474.10
  6. Step 6: Final answer
    x = 63,132.24

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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.