Home / 88,209.56-121,739.82-50,483

Finding the Fourth Proportional to 88,209.56, 121,739.82 and 50,483

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Solution

The fourth proportional to 88,209.56, 121,739.82 and 50,483 is: 69,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,209.56 : 121,739.82 = 50,483 : x
  2. Step 2: Convert to fraction form
    88,209.56/121,739.82 = 50,483/x
  3. Step 3: Cross multiply
    88,209.56x = 121,739.82 × 50,483
  4. Step 4: Simplify right side
    88,209.56x = 6,145,791,333.06
  5. Step 5: Solve for x
    x = 6,145,791,333.06/88,209.56
  6. Step 6: Final answer
    x = 69,672.62

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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.