Home / 52,516.27-78,774-13,073.12

Finding the Fourth Proportional to 52,516.27, 78,774 and 13,073.12

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Solution

The fourth proportional to 52,516.27, 78,774 and 13,073.12 is: 19,609.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,516.27 : 78,774 = 13,073.12 : x
  2. Step 2: Convert to fraction form
    52,516.27/78,774 = 13,073.12/x
  3. Step 3: Cross multiply
    52,516.27x = 78,774 × 13,073.12
  4. Step 4: Simplify right side
    52,516.27x = 1,029,821,954.88
  5. Step 5: Solve for x
    x = 1,029,821,954.88/52,516.27
  6. Step 6: Final answer
    x = 19,609.58

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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.