Home / 79,286.49-118,911.56-47,274.62

Finding the Fourth Proportional to 79,286.49, 118,911.56 and 47,274.62

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Solution

The fourth proportional to 79,286.49, 118,911.56 and 47,274.62 is: 70,901.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,286.49 : 118,911.56 = 47,274.62 : x
  2. Step 2: Convert to fraction form
    79,286.49/118,911.56 = 47,274.62/x
  3. Step 3: Cross multiply
    79,286.49x = 118,911.56 × 47,274.62
  4. Step 4: Simplify right side
    79,286.49x = 5,621,497,981.68
  5. Step 5: Solve for x
    x = 5,621,497,981.68/79,286.49
  6. Step 6: Final answer
    x = 70,901.08

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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.