Home / 69,928.90-104,776.68-49,115.14

Finding the Fourth Proportional to 69,928.90, 104,776.68 and 49,115.14

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Solution

The fourth proportional to 69,928.90, 104,776.68 and 49,115.14 is: 73,590.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,928.90 : 104,776.68 = 49,115.14 : x
  2. Step 2: Convert to fraction form
    69,928.90/104,776.68 = 49,115.14/x
  3. Step 3: Cross multiply
    69,928.90x = 104,776.68 × 49,115.14
  4. Step 4: Simplify right side
    69,928.90x = 5,146,121,306.94
  5. Step 5: Solve for x
    x = 5,146,121,306.94/69,928.90
  6. Step 6: Final answer
    x = 73,590.77

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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.