Home / 79,189.38-118,763.15-34,226.42

Finding the Fourth Proportional to 79,189.38, 118,763.15 and 34,226.42

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Solution

The fourth proportional to 79,189.38, 118,763.15 and 34,226.42 is: 51,330.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,189.38 : 118,763.15 = 34,226.42 : x
  2. Step 2: Convert to fraction form
    79,189.38/118,763.15 = 34,226.42/x
  3. Step 3: Cross multiply
    79,189.38x = 118,763.15 × 34,226.42
  4. Step 4: Simplify right side
    79,189.38x = 4,064,836,687.48
  5. Step 5: Solve for x
    x = 4,064,836,687.48/79,189.38
  6. Step 6: Final answer
    x = 51,330.58

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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.