Home / 52,716.10-79,061.73-19,418.08

Finding the Fourth Proportional to 52,716.10, 79,061.73 and 19,418.08

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Solution

The fourth proportional to 52,716.10, 79,061.73 and 19,418.08 is: 29,122.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,716.10 : 79,061.73 = 19,418.08 : x
  2. Step 2: Convert to fraction form
    52,716.10/79,061.73 = 19,418.08/x
  3. Step 3: Cross multiply
    52,716.10x = 79,061.73 × 19,418.08
  4. Step 4: Simplify right side
    52,716.10x = 1,535,226,998.08
  5. Step 5: Solve for x
    x = 1,535,226,998.08/52,716.10
  6. Step 6: Final answer
    x = 29,122.55

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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.