Home / 52,869.69-79,305.93-20,847.42

Finding the Fourth Proportional to 52,869.69, 79,305.93 and 20,847.42

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Solution

The fourth proportional to 52,869.69, 79,305.93 and 20,847.42 is: 31,271.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,869.69 : 79,305.93 = 20,847.42 : x
  2. Step 2: Convert to fraction form
    52,869.69/79,305.93 = 20,847.42/x
  3. Step 3: Cross multiply
    52,869.69x = 79,305.93 × 20,847.42
  4. Step 4: Simplify right side
    52,869.69x = 1,653,324,031.20
  5. Step 5: Solve for x
    x = 1,653,324,031.20/52,869.69
  6. Step 6: Final answer
    x = 31,271.68

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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.