Home / 63,538.48-87,680.64-35,243.68

Finding the Fourth Proportional to 63,538.48, 87,680.64 and 35,243.68

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Solution

The fourth proportional to 63,538.48, 87,680.64 and 35,243.68 is: 48,634.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,538.48 : 87,680.64 = 35,243.68 : x
  2. Step 2: Convert to fraction form
    63,538.48/87,680.64 = 35,243.68/x
  3. Step 3: Cross multiply
    63,538.48x = 87,680.64 × 35,243.68
  4. Step 4: Simplify right side
    63,538.48x = 3,090,188,418.36
  5. Step 5: Solve for x
    x = 3,090,188,418.36/63,538.48
  6. Step 6: Final answer
    x = 48,634.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.