Home / 112,078.41-154,667.20-61,091.14

Finding the Fourth Proportional to 112,078.41, 154,667.20 and 61,091.14

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Solution

The fourth proportional to 112,078.41, 154,667.20 and 61,091.14 is: 84,305.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,078.41 : 154,667.20 = 61,091.14 : x
  2. Step 2: Convert to fraction form
    112,078.41/154,667.20 = 61,091.14/x
  3. Step 3: Cross multiply
    112,078.41x = 154,667.20 × 61,091.14
  4. Step 4: Simplify right side
    112,078.41x = 9,448,794,826.94
  5. Step 5: Solve for x
    x = 9,448,794,826.94/112,078.41
  6. Step 6: Final answer
    x = 84,305.22

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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.