Home / 49,382.16-68,148.72-28,166.64

Finding the Fourth Proportional to 49,382.16, 68,148.72 and 28,166.64

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Solution

The fourth proportional to 49,382.16, 68,148.72 and 28,166.64 is: 38,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,382.16 : 68,148.72 = 28,166.64 : x
  2. Step 2: Convert to fraction form
    49,382.16/68,148.72 = 28,166.64/x
  3. Step 3: Cross multiply
    49,382.16x = 68,148.72 × 28,166.64
  4. Step 4: Simplify right side
    49,382.16x = 1,919,520,462.70
  5. Step 5: Solve for x
    x = 1,919,520,462.70/49,382.16
  6. Step 6: Final answer
    x = 38,870.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.