Home / 63,686.19-87,879.97-36,824.64

Finding the Fourth Proportional to 63,686.19, 87,879.97 and 36,824.64

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Solution

The fourth proportional to 63,686.19, 87,879.97 and 36,824.64 is: 50,813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,686.19 : 87,879.97 = 36,824.64 : x
  2. Step 2: Convert to fraction form
    63,686.19/87,879.97 = 36,824.64/x
  3. Step 3: Cross multiply
    63,686.19x = 87,879.97 × 36,824.64
  4. Step 4: Simplify right side
    63,686.19x = 3,236,148,258.46
  5. Step 5: Solve for x
    x = 3,236,148,258.46/63,686.19
  6. Step 6: Final answer
    x = 50,813.97

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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.