Home / 89,015.00-122,871.80-55,049.54

Finding the Fourth Proportional to 89,015.00, 122,871.80 and 55,049.54

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Solution

The fourth proportional to 89,015.00, 122,871.80 and 55,049.54 is: 75,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,015.00 : 122,871.80 = 55,049.54 : x
  2. Step 2: Convert to fraction form
    89,015.00/122,871.80 = 55,049.54/x
  3. Step 3: Cross multiply
    89,015.00x = 122,871.80 × 55,049.54
  4. Step 4: Simplify right side
    89,015.00x = 6,764,035,592.24
  5. Step 5: Solve for x
    x = 6,764,035,592.24/89,015.00
  6. Step 6: Final answer
    x = 75,987.60

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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.