Home / 112,257.78-154,914.97-61,956.78

Finding the Fourth Proportional to 112,257.78, 154,914.97 and 61,956.78

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Solution

The fourth proportional to 112,257.78, 154,914.97 and 61,956.78 is: 85,499.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,257.78 : 154,914.97 = 61,956.78 : x
  2. Step 2: Convert to fraction form
    112,257.78/154,914.97 = 61,956.78/x
  3. Step 3: Cross multiply
    112,257.78x = 154,914.97 × 61,956.78
  4. Step 4: Simplify right side
    112,257.78x = 9,598,032,715.00
  5. Step 5: Solve for x
    x = 9,598,032,715.00/112,257.78
  6. Step 6: Final answer
    x = 85,499.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.