Home / 74,554.08-111,792.54-21,956.76

Finding the Fourth Proportional to 74,554.08, 111,792.54 and 21,956.76

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Solution

The fourth proportional to 74,554.08, 111,792.54 and 21,956.76 is: 32,923.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,554.08 : 111,792.54 = 21,956.76 : x
  2. Step 2: Convert to fraction form
    74,554.08/111,792.54 = 21,956.76/x
  3. Step 3: Cross multiply
    74,554.08x = 111,792.54 × 21,956.76
  4. Step 4: Simplify right side
    74,554.08x = 2,454,601,970.57
  5. Step 5: Solve for x
    x = 2,454,601,970.57/74,554.08
  6. Step 6: Final answer
    x = 32,923.78

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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.