Home / 71,815.15-107,771.92-25,068.02

Finding the Fourth Proportional to 71,815.15, 107,771.92 and 25,068.02

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Solution

The fourth proportional to 71,815.15, 107,771.92 and 25,068.02 is: 37,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,815.15 : 107,771.92 = 25,068.02 : x
  2. Step 2: Convert to fraction form
    71,815.15/107,771.92 = 25,068.02/x
  3. Step 3: Cross multiply
    71,815.15x = 107,771.92 × 25,068.02
  4. Step 4: Simplify right side
    71,815.15x = 2,701,628,646.00
  5. Step 5: Solve for x
    x = 2,701,628,646.00/71,815.15
  6. Step 6: Final answer
    x = 37,619.20

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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.