Home / 63,618.40-87,795.60-35,324.56

Finding the Fourth Proportional to 63,618.40, 87,795.60 and 35,324.56

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Solution

The fourth proportional to 63,618.40, 87,795.60 and 35,324.56 is: 48,749.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,618.40 : 87,795.60 = 35,324.56 : x
  2. Step 2: Convert to fraction form
    63,618.40/87,795.60 = 35,324.56/x
  3. Step 3: Cross multiply
    63,618.40x = 87,795.60 × 35,324.56
  4. Step 4: Simplify right side
    63,618.40x = 3,101,340,939.94
  5. Step 5: Solve for x
    x = 3,101,340,939.94/63,618.40
  6. Step 6: Final answer
    x = 48,749.12

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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.