Home / 79,271.10-118,906.65-74,022.30

Finding the Fourth Proportional to 79,271.10, 118,906.65 and 74,022.30

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Solution

The fourth proportional to 79,271.10, 118,906.65 and 74,022.30 is: 111,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,271.10 : 118,906.65 = 74,022.30 : x
  2. Step 2: Convert to fraction form
    79,271.10/118,906.65 = 74,022.30/x
  3. Step 3: Cross multiply
    79,271.10x = 118,906.65 × 74,022.30
  4. Step 4: Simplify right side
    79,271.10x = 8,801,743,718.30
  5. Step 5: Solve for x
    x = 8,801,743,718.30/79,271.10
  6. Step 6: Final answer
    x = 111,033.45

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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.