Home / 74,084.20-111,029.10-29,674.60

Finding the Fourth Proportional to 74,084.20, 111,029.10 and 29,674.60

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Solution

The fourth proportional to 74,084.20, 111,029.10 and 29,674.60 is: 44,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,084.20 : 111,029.10 = 29,674.60 : x
  2. Step 2: Convert to fraction form
    74,084.20/111,029.10 = 29,674.60/x
  3. Step 3: Cross multiply
    74,084.20x = 111,029.10 × 29,674.60
  4. Step 4: Simplify right side
    74,084.20x = 3,294,744,130.86
  5. Step 5: Solve for x
    x = 3,294,744,130.86/74,084.20
  6. Step 6: Final answer
    x = 44,472.97

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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.