Home / 113,905.60-170,876.16-54,730.24

Finding the Fourth Proportional to 113,905.60, 170,876.16 and 54,730.24

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Solution

The fourth proportional to 113,905.60, 170,876.16 and 54,730.24 is: 82,103.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,905.60 : 170,876.16 = 54,730.24 : x
  2. Step 2: Convert to fraction form
    113,905.60/170,876.16 = 54,730.24/x
  3. Step 3: Cross multiply
    113,905.60x = 170,876.16 × 54,730.24
  4. Step 4: Simplify right side
    113,905.60x = 9,352,093,247.08
  5. Step 5: Solve for x
    x = 9,352,093,247.08/113,905.60
  6. Step 6: Final answer
    x = 82,103.89

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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.