Home / 74,057.42-111,102.56-29,083.11

Finding the Fourth Proportional to 74,057.42, 111,102.56 and 29,083.11

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Solution

The fourth proportional to 74,057.42, 111,102.56 and 29,083.11 is: 43,631.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,057.42 : 111,102.56 = 29,083.11 : x
  2. Step 2: Convert to fraction form
    74,057.42/111,102.56 = 29,083.11/x
  3. Step 3: Cross multiply
    74,057.42x = 111,102.56 × 29,083.11
  4. Step 4: Simplify right side
    74,057.42x = 3,231,207,937.41
  5. Step 5: Solve for x
    x = 3,231,207,937.41/74,057.42
  6. Step 6: Final answer
    x = 43,631.12

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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.