Home / 89,983.35-124,175.03-49,146.12

Finding the Fourth Proportional to 89,983.35, 124,175.03 and 49,146.12

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Solution

The fourth proportional to 89,983.35, 124,175.03 and 49,146.12 is: 67,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,983.35 : 124,175.03 = 49,146.12 : x
  2. Step 2: Convert to fraction form
    89,983.35/124,175.03 = 49,146.12/x
  3. Step 3: Cross multiply
    89,983.35x = 124,175.03 × 49,146.12
  4. Step 4: Simplify right side
    89,983.35x = 6,102,720,679.65
  5. Step 5: Solve for x
    x = 6,102,720,679.65/89,983.35
  6. Step 6: Final answer
    x = 67,820.55

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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.