Home / 108,465.12-162,722.40-41,905.44

Finding the Fourth Proportional to 108,465.12, 162,722.40 and 41,905.44

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Solution

The fourth proportional to 108,465.12, 162,722.40 and 41,905.44 is: 62,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,465.12 : 162,722.40 = 41,905.44 : x
  2. Step 2: Convert to fraction form
    108,465.12/162,722.40 = 41,905.44/x
  3. Step 3: Cross multiply
    108,465.12x = 162,722.40 × 41,905.44
  4. Step 4: Simplify right side
    108,465.12x = 6,818,953,769.86
  5. Step 5: Solve for x
    x = 6,818,953,769.86/108,465.12
  6. Step 6: Final answer
    x = 62,867.71

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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.