Home / 79,178.68-118,768.02-23,022.28

Finding the Fourth Proportional to 79,178.68, 118,768.02 and 23,022.28

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Solution

The fourth proportional to 79,178.68, 118,768.02 and 23,022.28 is: 34,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,178.68 : 118,768.02 = 23,022.28 : x
  2. Step 2: Convert to fraction form
    79,178.68/118,768.02 = 23,022.28/x
  3. Step 3: Cross multiply
    79,178.68x = 118,768.02 × 23,022.28
  4. Step 4: Simplify right side
    79,178.68x = 2,734,310,611.49
  5. Step 5: Solve for x
    x = 2,734,310,611.49/79,178.68
  6. Step 6: Final answer
    x = 34,533.42

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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.