Home / 63,415.92-87,516.54-35,121.60

Finding the Fourth Proportional to 63,415.92, 87,516.54 and 35,121.60

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Solution

The fourth proportional to 63,415.92, 87,516.54 and 35,121.60 is: 48,469.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,415.92 : 87,516.54 = 35,121.60 : x
  2. Step 2: Convert to fraction form
    63,415.92/87,516.54 = 35,121.60/x
  3. Step 3: Cross multiply
    63,415.92x = 87,516.54 × 35,121.60
  4. Step 4: Simplify right side
    63,415.92x = 3,073,720,911.26
  5. Step 5: Solve for x
    x = 3,073,720,911.26/63,415.92
  6. Step 6: Final answer
    x = 48,469.23

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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.