Home / 92,556.42-138,878.64-64,137.11

Finding the Fourth Proportional to 92,556.42, 138,878.64 and 64,137.11

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Solution

The fourth proportional to 92,556.42, 138,878.64 and 64,137.11 is: 96,236.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,556.42 : 138,878.64 = 64,137.11 : x
  2. Step 2: Convert to fraction form
    92,556.42/138,878.64 = 64,137.11/x
  3. Step 3: Cross multiply
    92,556.42x = 138,878.64 × 64,137.11
  4. Step 4: Simplify right side
    92,556.42x = 8,907,274,844.80
  5. Step 5: Solve for x
    x = 8,907,274,844.80/92,556.42
  6. Step 6: Final answer
    x = 96,236.16

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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.