Home / 73,120.87-109,681.33-26,373.75

Finding the Fourth Proportional to 73,120.87, 109,681.33 and 26,373.75

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Solution

The fourth proportional to 73,120.87, 109,681.33 and 26,373.75 is: 39,560.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,120.87 : 109,681.33 = 26,373.75 : x
  2. Step 2: Convert to fraction form
    73,120.87/109,681.33 = 26,373.75/x
  3. Step 3: Cross multiply
    73,120.87x = 109,681.33 × 26,373.75
  4. Step 4: Simplify right side
    73,120.87x = 2,892,707,977.09
  5. Step 5: Solve for x
    x = 2,892,707,977.09/73,120.87
  6. Step 6: Final answer
    x = 39,560.63

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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.