Home / 79,272.87-118,750.86-47,665.62

Finding the Fourth Proportional to 79,272.87, 118,750.86 and 47,665.62

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Solution

The fourth proportional to 79,272.87, 118,750.86 and 47,665.62 is: 71,403.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,272.87 : 118,750.86 = 47,665.62 : x
  2. Step 2: Convert to fraction form
    79,272.87/118,750.86 = 47,665.62/x
  3. Step 3: Cross multiply
    79,272.87x = 118,750.86 × 47,665.62
  4. Step 4: Simplify right side
    79,272.87x = 5,660,332,773.68
  5. Step 5: Solve for x
    x = 5,660,332,773.68/79,272.87
  6. Step 6: Final answer
    x = 71,403.16

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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.