Home / 107,844.81-161,768.25-28,959.05

Finding the Fourth Proportional to 107,844.81, 161,768.25 and 28,959.05

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Solution

The fourth proportional to 107,844.81, 161,768.25 and 28,959.05 is: 43,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,844.81 : 161,768.25 = 28,959.05 : x
  2. Step 2: Convert to fraction form
    107,844.81/161,768.25 = 28,959.05/x
  3. Step 3: Cross multiply
    107,844.81x = 161,768.25 × 28,959.05
  4. Step 4: Simplify right side
    107,844.81x = 4,684,654,031.32
  5. Step 5: Solve for x
    x = 4,684,654,031.32/107,844.81
  6. Step 6: Final answer
    x = 43,438.85

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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.