Home / 63,128.28-87,078.60-37,617.87

Finding the Fourth Proportional to 63,128.28, 87,078.60 and 37,617.87

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Solution

The fourth proportional to 63,128.28, 87,078.60 and 37,617.87 is: 51,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,128.28 : 87,078.60 = 37,617.87 : x
  2. Step 2: Convert to fraction form
    63,128.28/87,078.60 = 37,617.87/x
  3. Step 3: Cross multiply
    63,128.28x = 87,078.60 × 37,617.87
  4. Step 4: Simplify right side
    63,128.28x = 3,275,711,454.58
  5. Step 5: Solve for x
    x = 3,275,711,454.58/63,128.28
  6. Step 6: Final answer
    x = 51,889.76

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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.