Home / 52,182.94-78,205.20-28,429.56

Finding the Fourth Proportional to 52,182.94, 78,205.20 and 28,429.56

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Solution

The fourth proportional to 52,182.94, 78,205.20 and 28,429.56 is: 42,606.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,182.94 : 78,205.20 = 28,429.56 : x
  2. Step 2: Convert to fraction form
    52,182.94/78,205.20 = 28,429.56/x
  3. Step 3: Cross multiply
    52,182.94x = 78,205.20 × 28,429.56
  4. Step 4: Simplify right side
    52,182.94x = 2,223,339,425.71
  5. Step 5: Solve for x
    x = 2,223,339,425.71/52,182.94
  6. Step 6: Final answer
    x = 42,606.63

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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.