Home / 92,270.38-138,405.49-71,241.01

Finding the Fourth Proportional to 92,270.38, 138,405.49 and 71,241.01

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Solution

The fourth proportional to 92,270.38, 138,405.49 and 71,241.01 is: 106,861.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,270.38 : 138,405.49 = 71,241.01 : x
  2. Step 2: Convert to fraction form
    92,270.38/138,405.49 = 71,241.01/x
  3. Step 3: Cross multiply
    92,270.38x = 138,405.49 × 71,241.01
  4. Step 4: Simplify right side
    92,270.38x = 9,860,146,897.14
  5. Step 5: Solve for x
    x = 9,860,146,897.14/92,270.38
  6. Step 6: Final answer
    x = 106,861.45

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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.