Home / 73,678.02-110,523.96-20,373.54

Finding the Fourth Proportional to 73,678.02, 110,523.96 and 20,373.54

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Solution

The fourth proportional to 73,678.02, 110,523.96 and 20,373.54 is: 30,562.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,678.02 : 110,523.96 = 20,373.54 : x
  2. Step 2: Convert to fraction form
    73,678.02/110,523.96 = 20,373.54/x
  3. Step 3: Cross multiply
    73,678.02x = 110,523.96 × 20,373.54
  4. Step 4: Simplify right side
    73,678.02x = 2,251,764,320.02
  5. Step 5: Solve for x
    x = 2,251,764,320.02/73,678.02
  6. Step 6: Final answer
    x = 30,562.23

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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.