Home / 69,439.69-103,981.62-48,062.79

Finding the Fourth Proportional to 69,439.69, 103,981.62 and 48,062.79

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Solution

The fourth proportional to 69,439.69, 103,981.62 and 48,062.79 is: 71,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,439.69 : 103,981.62 = 48,062.79 : x
  2. Step 2: Convert to fraction form
    69,439.69/103,981.62 = 48,062.79/x
  3. Step 3: Cross multiply
    69,439.69x = 103,981.62 × 48,062.79
  4. Step 4: Simplify right side
    69,439.69x = 4,997,647,238.60
  5. Step 5: Solve for x
    x = 4,997,647,238.60/69,439.69
  6. Step 6: Final answer
    x = 71,971.05

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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.