Home / 64,481.21-96,631.73-54,943.71

Finding the Fourth Proportional to 64,481.21, 96,631.73 and 54,943.71

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Solution

The fourth proportional to 64,481.21, 96,631.73 and 54,943.71 is: 82,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,481.21 : 96,631.73 = 54,943.71 : x
  2. Step 2: Convert to fraction form
    64,481.21/96,631.73 = 54,943.71/x
  3. Step 3: Cross multiply
    64,481.21x = 96,631.73 × 54,943.71
  4. Step 4: Simplify right side
    64,481.21x = 5,309,306,075.58
  5. Step 5: Solve for x
    x = 5,309,306,075.58/64,481.21
  6. Step 6: Final answer
    x = 82,338.80

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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.