Home / 69,587.20-104,336.40-45,867.36

Finding the Fourth Proportional to 69,587.20, 104,336.40 and 45,867.36

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Solution

The fourth proportional to 69,587.20, 104,336.40 and 45,867.36 is: 68,771.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,587.20 : 104,336.40 = 45,867.36 : x
  2. Step 2: Convert to fraction form
    69,587.20/104,336.40 = 45,867.36/x
  3. Step 3: Cross multiply
    69,587.20x = 104,336.40 × 45,867.36
  4. Step 4: Simplify right side
    69,587.20x = 4,785,635,219.90
  5. Step 5: Solve for x
    x = 4,785,635,219.90/69,587.20
  6. Step 6: Final answer
    x = 68,771.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.