Home / 74,167.49-102,349.03-43,540.10

Finding the Fourth Proportional to 74,167.49, 102,349.03 and 43,540.10

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Solution

The fourth proportional to 74,167.49, 102,349.03 and 43,540.10 is: 60,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,167.49 : 102,349.03 = 43,540.10 : x
  2. Step 2: Convert to fraction form
    74,167.49/102,349.03 = 43,540.10/x
  3. Step 3: Cross multiply
    74,167.49x = 102,349.03 × 43,540.10
  4. Step 4: Simplify right side
    74,167.49x = 4,456,286,271.66
  5. Step 5: Solve for x
    x = 4,456,286,271.66/74,167.49
  6. Step 6: Final answer
    x = 60,084.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.