Home / 92,308.20-138,419.04-54,873.24

Finding the Fourth Proportional to 92,308.20, 138,419.04 and 54,873.24

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Solution

The fourth proportional to 92,308.20, 138,419.04 and 54,873.24 is: 82,284.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,308.20 : 138,419.04 = 54,873.24 : x
  2. Step 2: Convert to fraction form
    92,308.20/138,419.04 = 54,873.24/x
  3. Step 3: Cross multiply
    92,308.20x = 138,419.04 × 54,873.24
  4. Step 4: Simplify right side
    92,308.20x = 7,595,501,202.49
  5. Step 5: Solve for x
    x = 7,595,501,202.49/92,308.20
  6. Step 6: Final answer
    x = 82,284.14

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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.