Home / 52,909.41-79,313.49-19,620.57

Finding the Fourth Proportional to 52,909.41, 79,313.49 and 19,620.57

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Solution

The fourth proportional to 52,909.41, 79,313.49 and 19,620.57 is: 29,412.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,909.41 : 79,313.49 = 19,620.57 : x
  2. Step 2: Convert to fraction form
    52,909.41/79,313.49 = 19,620.57/x
  3. Step 3: Cross multiply
    52,909.41x = 79,313.49 × 19,620.57
  4. Step 4: Simplify right side
    52,909.41x = 1,556,175,882.49
  5. Step 5: Solve for x
    x = 1,556,175,882.49/52,909.41
  6. Step 6: Final answer
    x = 29,412.08

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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.