Home / 73,147.16-109,649.18-35,705.72

Finding the Fourth Proportional to 73,147.16, 109,649.18 and 35,705.72

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Solution

The fourth proportional to 73,147.16, 109,649.18 and 35,705.72 is: 53,523.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,147.16 : 109,649.18 = 35,705.72 : x
  2. Step 2: Convert to fraction form
    73,147.16/109,649.18 = 35,705.72/x
  3. Step 3: Cross multiply
    73,147.16x = 109,649.18 × 35,705.72
  4. Step 4: Simplify right side
    73,147.16x = 3,915,102,919.31
  5. Step 5: Solve for x
    x = 3,915,102,919.31/73,147.16
  6. Step 6: Final answer
    x = 53,523.65

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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.