Home / 89,982.91-124,174.04-49,695.81

Finding the Fourth Proportional to 89,982.91, 124,174.04 and 49,695.81

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Solution

The fourth proportional to 89,982.91, 124,174.04 and 49,695.81 is: 68,578.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,982.91 : 124,174.04 = 49,695.81 : x
  2. Step 2: Convert to fraction form
    89,982.91/124,174.04 = 49,695.81/x
  3. Step 3: Cross multiply
    89,982.91x = 124,174.04 × 49,695.81
  4. Step 4: Simplify right side
    89,982.91x = 6,170,929,498.77
  5. Step 5: Solve for x
    x = 6,170,929,498.77/89,982.91
  6. Step 6: Final answer
    x = 68,578.91

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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.