Home / 45,672.72-68,497.20-19,363.92

Finding the Fourth Proportional to 45,672.72, 68,497.20 and 19,363.92

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Solution

The fourth proportional to 45,672.72, 68,497.20 and 19,363.92 is: 29,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,672.72 : 68,497.20 = 19,363.92 : x
  2. Step 2: Convert to fraction form
    45,672.72/68,497.20 = 19,363.92/x
  3. Step 3: Cross multiply
    45,672.72x = 68,497.20 × 19,363.92
  4. Step 4: Simplify right side
    45,672.72x = 1,326,374,301.02
  5. Step 5: Solve for x
    x = 1,326,374,301.02/45,672.72
  6. Step 6: Final answer
    x = 29,040.84

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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.