Home / 98,033.28-135,309.96-55,616.64

Finding the Fourth Proportional to 98,033.28, 135,309.96 and 55,616.64

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Solution

The fourth proportional to 98,033.28, 135,309.96 and 55,616.64 is: 76,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,033.28 : 135,309.96 = 55,616.64 : x
  2. Step 2: Convert to fraction form
    98,033.28/135,309.96 = 55,616.64/x
  3. Step 3: Cross multiply
    98,033.28x = 135,309.96 × 55,616.64
  4. Step 4: Simplify right side
    98,033.28x = 7,525,485,333.73
  5. Step 5: Solve for x
    x = 7,525,485,333.73/98,033.28
  6. Step 6: Final answer
    x = 76,764.60

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1.5x scale

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.