Home / 74,257.72-111,360.62-29,872.96

Finding the Fourth Proportional to 74,257.72, 111,360.62 and 29,872.96

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Solution

The fourth proportional to 74,257.72, 111,360.62 and 29,872.96 is: 44,799.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,257.72 : 111,360.62 = 29,872.96 : x
  2. Step 2: Convert to fraction form
    74,257.72/111,360.62 = 29,872.96/x
  3. Step 3: Cross multiply
    74,257.72x = 111,360.62 × 29,872.96
  4. Step 4: Simplify right side
    74,257.72x = 3,326,671,346.84
  5. Step 5: Solve for x
    x = 3,326,671,346.84/74,257.72
  6. Step 6: Final answer
    x = 44,799.00

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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.