Home / 109,176.05-163,762.25-49,171.14

Finding the Fourth Proportional to 109,176.05, 163,762.25 and 49,171.14

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Solution

The fourth proportional to 109,176.05, 163,762.25 and 49,171.14 is: 73,755.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,176.05 : 163,762.25 = 49,171.14 : x
  2. Step 2: Convert to fraction form
    109,176.05/163,762.25 = 49,171.14/x
  3. Step 3: Cross multiply
    109,176.05x = 163,762.25 × 49,171.14
  4. Step 4: Simplify right side
    109,176.05x = 8,052,376,275.61
  5. Step 5: Solve for x
    x = 8,052,376,275.61/109,176.05
  6. Step 6: Final answer
    x = 73,755.88

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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.