Home / 52,519.55-78,742.42-19,235.29

Finding the Fourth Proportional to 52,519.55, 78,742.42 and 19,235.29

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Solution

The fourth proportional to 52,519.55, 78,742.42 and 19,235.29 is: 28,839.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,519.55 : 78,742.42 = 19,235.29 : x
  2. Step 2: Convert to fraction form
    52,519.55/78,742.42 = 19,235.29/x
  3. Step 3: Cross multiply
    52,519.55x = 78,742.42 × 19,235.29
  4. Step 4: Simplify right side
    52,519.55x = 1,514,633,447.47
  5. Step 5: Solve for x
    x = 1,514,633,447.47/52,519.55
  6. Step 6: Final answer
    x = 28,839.42

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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.