Home / 63,388.80-87,383.36-48,255.08

Finding the Fourth Proportional to 63,388.80, 87,383.36 and 48,255.08

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Solution

The fourth proportional to 63,388.80, 87,383.36 and 48,255.08 is: 66,521.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,388.80 : 87,383.36 = 48,255.08 : x
  2. Step 2: Convert to fraction form
    63,388.80/87,383.36 = 48,255.08/x
  3. Step 3: Cross multiply
    63,388.80x = 87,383.36 × 48,255.08
  4. Step 4: Simplify right side
    63,388.80x = 4,216,691,027.47
  5. Step 5: Solve for x
    x = 4,216,691,027.47/63,388.80
  6. Step 6: Final answer
    x = 66,521.07

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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.