Home / 52,720.72-79,112.22-19,463.92

Finding the Fourth Proportional to 52,720.72, 79,112.22 and 19,463.92

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Solution

The fourth proportional to 52,720.72, 79,112.22 and 19,463.92 is: 29,207.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,720.72 : 79,112.22 = 19,463.92 : x
  2. Step 2: Convert to fraction form
    52,720.72/79,112.22 = 19,463.92/x
  3. Step 3: Cross multiply
    52,720.72x = 79,112.22 × 19,463.92
  4. Step 4: Simplify right side
    52,720.72x = 1,539,833,921.10
  5. Step 5: Solve for x
    x = 1,539,833,921.10/52,720.72
  6. Step 6: Final answer
    x = 29,207.38

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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.