Home / 74,486.40-111,634.56-34,956.24

Finding the Fourth Proportional to 74,486.40, 111,634.56 and 34,956.24

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Solution

The fourth proportional to 74,486.40, 111,634.56 and 34,956.24 is: 52,389.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,486.40 : 111,634.56 = 34,956.24 : x
  2. Step 2: Convert to fraction form
    74,486.40/111,634.56 = 34,956.24/x
  3. Step 3: Cross multiply
    74,486.40x = 111,634.56 × 34,956.24
  4. Step 4: Simplify right side
    74,486.40x = 3,902,324,471.65
  5. Step 5: Solve for x
    x = 3,902,324,471.65/74,486.40
  6. Step 6: Final answer
    x = 52,389.76

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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.