Home / 112,283.92-154,951.44-61,982.56

Finding the Fourth Proportional to 112,283.92, 154,951.44 and 61,982.56

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Solution

The fourth proportional to 112,283.92, 154,951.44 and 61,982.56 is: 85,535.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,283.92 : 154,951.44 = 61,982.56 : x
  2. Step 2: Convert to fraction form
    112,283.92/154,951.44 = 61,982.56/x
  3. Step 3: Cross multiply
    112,283.92x = 154,951.44 × 61,982.56
  4. Step 4: Simplify right side
    112,283.92x = 9,604,286,926.89
  5. Step 5: Solve for x
    x = 9,604,286,926.89/112,283.92
  6. Step 6: Final answer
    x = 85,535.73

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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.