Home / 74,255.85-111,382.02-18,096.21

Finding the Fourth Proportional to 74,255.85, 111,382.02 and 18,096.21

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Solution

The fourth proportional to 74,255.85, 111,382.02 and 18,096.21 is: 27,143.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,255.85 : 111,382.02 = 18,096.21 : x
  2. Step 2: Convert to fraction form
    74,255.85/111,382.02 = 18,096.21/x
  3. Step 3: Cross multiply
    74,255.85x = 111,382.02 × 18,096.21
  4. Step 4: Simplify right side
    74,255.85x = 2,015,592,424.14
  5. Step 5: Solve for x
    x = 2,015,592,424.14/74,255.85
  6. Step 6: Final answer
    x = 27,143.89

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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.