Home / 80,724.96-111,353.04-52,449.36

Finding the Fourth Proportional to 80,724.96, 111,353.04 and 52,449.36

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Solution

The fourth proportional to 80,724.96, 111,353.04 and 52,449.36 is: 72,349.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,724.96 : 111,353.04 = 52,449.36 : x
  2. Step 2: Convert to fraction form
    80,724.96/111,353.04 = 52,449.36/x
  3. Step 3: Cross multiply
    80,724.96x = 111,353.04 × 52,449.36
  4. Step 4: Simplify right side
    80,724.96x = 5,840,395,682.05
  5. Step 5: Solve for x
    x = 5,840,395,682.05/80,724.96
  6. Step 6: Final answer
    x = 72,349.32

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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.