Home / 107,674.20-161,547.83-47,694.61

Finding the Fourth Proportional to 107,674.20, 161,547.83 and 47,694.61

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Solution

The fourth proportional to 107,674.20, 161,547.83 and 47,694.61 is: 71,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,674.20 : 161,547.83 = 47,694.61 : x
  2. Step 2: Convert to fraction form
    107,674.20/161,547.83 = 47,694.61/x
  3. Step 3: Cross multiply
    107,674.20x = 161,547.83 × 47,694.61
  4. Step 4: Simplify right side
    107,674.20x = 7,704,960,748.20
  5. Step 5: Solve for x
    x = 7,704,960,748.20/107,674.20
  6. Step 6: Final answer
    x = 71,558.10

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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.