Home / 49,866.12-69,106.38-48,919.92

Finding the Fourth Proportional to 49,866.12, 69,106.38 and 48,919.92

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Solution

The fourth proportional to 49,866.12, 69,106.38 and 48,919.92 is: 67,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,866.12 : 69,106.38 = 48,919.92 : x
  2. Step 2: Convert to fraction form
    49,866.12/69,106.38 = 48,919.92/x
  3. Step 3: Cross multiply
    49,866.12x = 69,106.38 × 48,919.92
  4. Step 4: Simplify right side
    49,866.12x = 3,380,678,581.09
  5. Step 5: Solve for x
    x = 3,380,678,581.09/49,866.12
  6. Step 6: Final answer
    x = 67,795.10

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.