Home / 41,270.48-61,905.10-10,105.72

Finding the Fourth Proportional to 41,270.48, 61,905.10 and 10,105.72

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Solution

The fourth proportional to 41,270.48, 61,905.10 and 10,105.72 is: 15,158.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,270.48 : 61,905.10 = 10,105.72 : x
  2. Step 2: Convert to fraction form
    41,270.48/61,905.10 = 10,105.72/x
  3. Step 3: Cross multiply
    41,270.48x = 61,905.10 × 10,105.72
  4. Step 4: Simplify right side
    41,270.48x = 625,595,607.17
  5. Step 5: Solve for x
    x = 625,595,607.17/41,270.48
  6. Step 6: Final answer
    x = 15,158.43

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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.