Home / 73,120.25-109,680.39-26,373.12

Finding the Fourth Proportional to 73,120.25, 109,680.39 and 26,373.12

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Solution

The fourth proportional to 73,120.25, 109,680.39 and 26,373.12 is: 39,559.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,120.25 : 109,680.39 = 26,373.12 : x
  2. Step 2: Convert to fraction form
    73,120.25/109,680.39 = 26,373.12/x
  3. Step 3: Cross multiply
    73,120.25x = 109,680.39 × 26,373.12
  4. Step 4: Simplify right side
    73,120.25x = 2,892,614,087.12
  5. Step 5: Solve for x
    x = 2,892,614,087.12/73,120.25
  6. Step 6: Final answer
    x = 39,559.69

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1.5x scale

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.