Home / 74,274.18-111,229.54-67,077.56

Finding the Fourth Proportional to 74,274.18, 111,229.54 and 67,077.56

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Solution

The fourth proportional to 74,274.18, 111,229.54 and 67,077.56 is: 100,452.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,274.18 : 111,229.54 = 67,077.56 : x
  2. Step 2: Convert to fraction form
    74,274.18/111,229.54 = 67,077.56/x
  3. Step 3: Cross multiply
    74,274.18x = 111,229.54 × 67,077.56
  4. Step 4: Simplify right side
    74,274.18x = 7,461,006,143.12
  5. Step 5: Solve for x
    x = 7,461,006,143.12/74,274.18
  6. Step 6: Final answer
    x = 100,452.22

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1.5x scale

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.