Home / 92,205.19-138,072.43-73,512.51

Finding the Fourth Proportional to 92,205.19, 138,072.43 and 73,512.51

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Solution

The fourth proportional to 92,205.19, 138,072.43 and 73,512.51 is: 110,081.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,205.19 : 138,072.43 = 73,512.51 : x
  2. Step 2: Convert to fraction form
    92,205.19/138,072.43 = 73,512.51/x
  3. Step 3: Cross multiply
    92,205.19x = 138,072.43 × 73,512.51
  4. Step 4: Simplify right side
    92,205.19x = 10,150,050,891.10
  5. Step 5: Solve for x
    x = 10,150,050,891.10/92,205.19
  6. Step 6: Final answer
    x = 110,081.12

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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.