Home / 71,441.28-107,140.04-49,396.32

Finding the Fourth Proportional to 71,441.28, 107,140.04 and 49,396.32

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Solution

The fourth proportional to 71,441.28, 107,140.04 and 49,396.32 is: 74,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,441.28 : 107,140.04 = 49,396.32 : x
  2. Step 2: Convert to fraction form
    71,441.28/107,140.04 = 49,396.32/x
  3. Step 3: Cross multiply
    71,441.28x = 107,140.04 × 49,396.32
  4. Step 4: Simplify right side
    71,441.28x = 5,292,322,917.97
  5. Step 5: Solve for x
    x = 5,292,322,917.97/71,441.28
  6. Step 6: Final answer
    x = 74,079.35

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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.