Home / 105,872.44-146,093.10-63,429.88

Finding the Fourth Proportional to 105,872.44, 146,093.10 and 63,429.88

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Solution

The fourth proportional to 105,872.44, 146,093.10 and 63,429.88 is: 87,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,872.44 : 146,093.10 = 63,429.88 : x
  2. Step 2: Convert to fraction form
    105,872.44/146,093.10 = 63,429.88/x
  3. Step 3: Cross multiply
    105,872.44x = 146,093.10 × 63,429.88
  4. Step 4: Simplify right side
    105,872.44x = 9,266,667,801.83
  5. Step 5: Solve for x
    x = 9,266,667,801.83/105,872.44
  6. Step 6: Final answer
    x = 87,526.72

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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.