Home / 74,130.30-111,253.89-27,396.54

Finding the Fourth Proportional to 74,130.30, 111,253.89 and 27,396.54

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Solution

The fourth proportional to 74,130.30, 111,253.89 and 27,396.54 is: 41,116.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,130.30 : 111,253.89 = 27,396.54 : x
  2. Step 2: Convert to fraction form
    74,130.30/111,253.89 = 27,396.54/x
  3. Step 3: Cross multiply
    74,130.30x = 111,253.89 × 27,396.54
  4. Step 4: Simplify right side
    74,130.30x = 3,047,971,647.54
  5. Step 5: Solve for x
    x = 3,047,971,647.54/74,130.30
  6. Step 6: Final answer
    x = 41,116.41

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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.