Home / 74,340.72-111,426.24-29,939.04

Finding the Fourth Proportional to 74,340.72, 111,426.24 and 29,939.04

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Solution

The fourth proportional to 74,340.72, 111,426.24 and 29,939.04 is: 44,874.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,340.72 : 111,426.24 = 29,939.04 : x
  2. Step 2: Convert to fraction form
    74,340.72/111,426.24 = 29,939.04/x
  3. Step 3: Cross multiply
    74,340.72x = 111,426.24 × 29,939.04
  4. Step 4: Simplify right side
    74,340.72x = 3,335,994,656.41
  5. Step 5: Solve for x
    x = 3,335,994,656.41/74,340.72
  6. Step 6: Final answer
    x = 44,874.39

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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.