Home / 88,202.48-121,729.36-49,964.64

Finding the Fourth Proportional to 88,202.48, 121,729.36 and 49,964.64

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Solution

The fourth proportional to 88,202.48, 121,729.36 and 49,964.64 is: 68,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,202.48 : 121,729.36 = 49,964.64 : x
  2. Step 2: Convert to fraction form
    88,202.48/121,729.36 = 49,964.64/x
  3. Step 3: Cross multiply
    88,202.48x = 121,729.36 × 49,964.64
  4. Step 4: Simplify right side
    88,202.48x = 6,082,163,649.83
  5. Step 5: Solve for x
    x = 6,082,163,649.83/88,202.48
  6. Step 6: Final answer
    x = 68,956.83

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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.