Home / 90,727.28-125,163.24-52,984.88

Finding the Fourth Proportional to 90,727.28, 125,163.24 and 52,984.88

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Solution

The fourth proportional to 90,727.28, 125,163.24 and 52,984.88 is: 73,095.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,727.28 : 125,163.24 = 52,984.88 : x
  2. Step 2: Convert to fraction form
    90,727.28/125,163.24 = 52,984.88/x
  3. Step 3: Cross multiply
    90,727.28x = 125,163.24 × 52,984.88
  4. Step 4: Simplify right side
    90,727.28x = 6,631,759,251.81
  5. Step 5: Solve for x
    x = 6,631,759,251.81/90,727.28
  6. Step 6: Final answer
    x = 73,095.54

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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.