Home / 52,516.68-78,790.28-16,977.24

Finding the Fourth Proportional to 52,516.68, 78,790.28 and 16,977.24

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Solution

The fourth proportional to 52,516.68, 78,790.28 and 16,977.24 is: 25,470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,516.68 : 78,790.28 = 16,977.24 : x
  2. Step 2: Convert to fraction form
    52,516.68/78,790.28 = 16,977.24/x
  3. Step 3: Cross multiply
    52,516.68x = 78,790.28 × 16,977.24
  4. Step 4: Simplify right side
    52,516.68x = 1,337,641,493.23
  5. Step 5: Solve for x
    x = 1,337,641,493.23/52,516.68
  6. Step 6: Final answer
    x = 25,470.79

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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.