Home / 88,908.24-122,706.72-51,175.20

Finding the Fourth Proportional to 88,908.24, 122,706.72 and 51,175.20

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Solution

The fourth proportional to 88,908.24, 122,706.72 and 51,175.20 is: 70,629.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,908.24 : 122,706.72 = 51,175.20 : x
  2. Step 2: Convert to fraction form
    88,908.24/122,706.72 = 51,175.20/x
  3. Step 3: Cross multiply
    88,908.24x = 122,706.72 × 51,175.20
  4. Step 4: Simplify right side
    88,908.24x = 6,279,540,937.34
  5. Step 5: Solve for x
    x = 6,279,540,937.34/88,908.24
  6. Step 6: Final answer
    x = 70,629.46

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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.