Home / 112,091.64-154,687.66-61,792.44

Finding the Fourth Proportional to 112,091.64, 154,687.66 and 61,792.44

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Solution

The fourth proportional to 112,091.64, 154,687.66 and 61,792.44 is: 85,274.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,091.64 : 154,687.66 = 61,792.44 : x
  2. Step 2: Convert to fraction form
    112,091.64/154,687.66 = 61,792.44/x
  3. Step 3: Cross multiply
    112,091.64x = 154,687.66 × 61,792.44
  4. Step 4: Simplify right side
    112,091.64x = 9,558,527,949.29
  5. Step 5: Solve for x
    x = 9,558,527,949.29/112,091.64
  6. Step 6: Final answer
    x = 85,274.23

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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.