Home / 74,109.74-111,185.30-29,767.63

Finding the Fourth Proportional to 74,109.74, 111,185.30 and 29,767.63

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Solution

The fourth proportional to 74,109.74, 111,185.30 and 29,767.63 is: 44,659.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,109.74 : 111,185.30 = 29,767.63 : x
  2. Step 2: Convert to fraction form
    74,109.74/111,185.30 = 29,767.63/x
  3. Step 3: Cross multiply
    74,109.74x = 111,185.30 × 29,767.63
  4. Step 4: Simplify right side
    74,109.74x = 3,309,722,871.84
  5. Step 5: Solve for x
    x = 3,309,722,871.84/74,109.74
  6. Step 6: Final answer
    x = 44,659.76

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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.