Home / 69,790.39-104,645.93-47,630.61

Finding the Fourth Proportional to 69,790.39, 104,645.93 and 47,630.61

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Solution

The fourth proportional to 69,790.39, 104,645.93 and 47,630.61 is: 71,418.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,790.39 : 104,645.93 = 47,630.61 : x
  2. Step 2: Convert to fraction form
    69,790.39/104,645.93 = 47,630.61/x
  3. Step 3: Cross multiply
    69,790.39x = 104,645.93 × 47,630.61
  4. Step 4: Simplify right side
    69,790.39x = 4,984,349,241.76
  5. Step 5: Solve for x
    x = 4,984,349,241.76/69,790.39
  6. Step 6: Final answer
    x = 71,418.85

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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.