Home / 73,943.56-110,899-21,341.60

Finding the Fourth Proportional to 73,943.56, 110,899 and 21,341.60

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Solution

The fourth proportional to 73,943.56, 110,899 and 21,341.60 is: 32,007.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,943.56 : 110,899 = 21,341.60 : x
  2. Step 2: Convert to fraction form
    73,943.56/110,899 = 21,341.60/x
  3. Step 3: Cross multiply
    73,943.56x = 110,899 × 21,341.60
  4. Step 4: Simplify right side
    73,943.56x = 2,366,762,098.40
  5. Step 5: Solve for x
    x = 2,366,762,098.40/73,943.56
  6. Step 6: Final answer
    x = 32,007.68

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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.