Home / 154,579.07-231,890.61-47,972.24

Finding the Fourth Proportional to 154,579.07, 231,890.61 and 47,972.24

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Solution

The fourth proportional to 154,579.07, 231,890.61 and 47,972.24 is: 71,965.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,579.07 : 231,890.61 = 47,972.24 : x
  2. Step 2: Convert to fraction form
    154,579.07/231,890.61 = 47,972.24/x
  3. Step 3: Cross multiply
    154,579.07x = 231,890.61 × 47,972.24
  4. Step 4: Simplify right side
    154,579.07x = 11,124,310,837.21
  5. Step 5: Solve for x
    x = 11,124,310,837.21/154,579.07
  6. Step 6: Final answer
    x = 71,965.18

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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.