Home / 74,134.24-111,204.46-21,543.73

Finding the Fourth Proportional to 74,134.24, 111,204.46 and 21,543.73

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Solution

The fourth proportional to 74,134.24, 111,204.46 and 21,543.73 is: 32,316.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,134.24 : 111,204.46 = 21,543.73 : x
  2. Step 2: Convert to fraction form
    74,134.24/111,204.46 = 21,543.73/x
  3. Step 3: Cross multiply
    74,134.24x = 111,204.46 × 21,543.73
  4. Step 4: Simplify right side
    74,134.24x = 2,395,758,861.04
  5. Step 5: Solve for x
    x = 2,395,758,861.04/74,134.24
  6. Step 6: Final answer
    x = 32,316.50

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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.