Home / 73,719.36-110,598.24-21,132.96

Finding the Fourth Proportional to 73,719.36, 110,598.24 and 21,132.96

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Solution

The fourth proportional to 73,719.36, 110,598.24 and 21,132.96 is: 31,704.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,719.36 : 110,598.24 = 21,132.96 : x
  2. Step 2: Convert to fraction form
    73,719.36/110,598.24 = 21,132.96/x
  3. Step 3: Cross multiply
    73,719.36x = 110,598.24 × 21,132.96
  4. Step 4: Simplify right side
    73,719.36x = 2,337,268,181.99
  5. Step 5: Solve for x
    x = 2,337,268,181.99/73,719.36
  6. Step 6: Final answer
    x = 31,704.94

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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.