Home / 69,170.07-103,681.19-49,388.65

Finding the Fourth Proportional to 69,170.07, 103,681.19 and 49,388.65

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Solution

The fourth proportional to 69,170.07, 103,681.19 and 49,388.65 is: 74,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,170.07 : 103,681.19 = 49,388.65 : x
  2. Step 2: Convert to fraction form
    69,170.07/103,681.19 = 49,388.65/x
  3. Step 3: Cross multiply
    69,170.07x = 103,681.19 × 49,388.65
  4. Step 4: Simplify right side
    69,170.07x = 5,120,673,757.55
  5. Step 5: Solve for x
    x = 5,120,673,757.55/69,170.07
  6. Step 6: Final answer
    x = 74,030.20

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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.