Home / 83,761.10-115,617.26-53,627.58

Finding the Fourth Proportional to 83,761.10, 115,617.26 and 53,627.58

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Solution

The fourth proportional to 83,761.10, 115,617.26 and 53,627.58 is: 74,023.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,761.10 : 115,617.26 = 53,627.58 : x
  2. Step 2: Convert to fraction form
    83,761.10/115,617.26 = 53,627.58/x
  3. Step 3: Cross multiply
    83,761.10x = 115,617.26 × 53,627.58
  4. Step 4: Simplify right side
    83,761.10x = 6,200,273,860.03
  5. Step 5: Solve for x
    x = 6,200,273,860.03/83,761.10
  6. Step 6: Final answer
    x = 74,023.31

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1.5x scale

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.