Home / 74,648.75-111,972.44-30,264.96

Finding the Fourth Proportional to 74,648.75, 111,972.44 and 30,264.96

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Solution

The fourth proportional to 74,648.75, 111,972.44 and 30,264.96 is: 45,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,648.75 : 111,972.44 = 30,264.96 : x
  2. Step 2: Convert to fraction form
    74,648.75/111,972.44 = 30,264.96/x
  3. Step 3: Cross multiply
    74,648.75x = 111,972.44 × 30,264.96
  4. Step 4: Simplify right side
    74,648.75x = 3,388,841,266.38
  5. Step 5: Solve for x
    x = 3,388,841,266.38/74,648.75
  6. Step 6: Final answer
    x = 45,397.16

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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.