Home / 88,974.88-122,811.60-51,275.68

Finding the Fourth Proportional to 88,974.88, 122,811.60 and 51,275.68

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Solution

The fourth proportional to 88,974.88, 122,811.60 and 51,275.68 is: 70,775.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,974.88 : 122,811.60 = 51,275.68 : x
  2. Step 2: Convert to fraction form
    88,974.88/122,811.60 = 51,275.68/x
  3. Step 3: Cross multiply
    88,974.88x = 122,811.60 × 51,275.68
  4. Step 4: Simplify right side
    88,974.88x = 6,297,248,301.89
  5. Step 5: Solve for x
    x = 6,297,248,301.89/88,974.88
  6. Step 6: Final answer
    x = 70,775.58

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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.