Home / 74,234.59-111,350.30-18,074.99

Finding the Fourth Proportional to 74,234.59, 111,350.30 and 18,074.99

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Solution

The fourth proportional to 74,234.59, 111,350.30 and 18,074.99 is: 27,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,234.59 : 111,350.30 = 18,074.99 : x
  2. Step 2: Convert to fraction form
    74,234.59/111,350.30 = 18,074.99/x
  3. Step 3: Cross multiply
    74,234.59x = 111,350.30 × 18,074.99
  4. Step 4: Simplify right side
    74,234.59x = 2,012,655,747.00
  5. Step 5: Solve for x
    x = 2,012,655,747.00/74,234.59
  6. Step 6: Final answer
    x = 27,112.10

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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.