Home / 64,261.42-96,368.19-22,129.78

Finding the Fourth Proportional to 64,261.42, 96,368.19 and 22,129.78

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Solution

The fourth proportional to 64,261.42, 96,368.19 and 22,129.78 is: 33,186.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,261.42 : 96,368.19 = 22,129.78 : x
  2. Step 2: Convert to fraction form
    64,261.42/96,368.19 = 22,129.78/x
  3. Step 3: Cross multiply
    64,261.42x = 96,368.19 × 22,129.78
  4. Step 4: Simplify right side
    64,261.42x = 2,132,606,843.70
  5. Step 5: Solve for x
    x = 2,132,606,843.70/64,261.42
  6. Step 6: Final answer
    x = 33,186.43

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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.