Home / 72,832.80-109,249.20-50,714.40

Finding the Fourth Proportional to 72,832.80, 109,249.20 and 50,714.40

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Solution

The fourth proportional to 72,832.80, 109,249.20 and 50,714.40 is: 76,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,832.80 : 109,249.20 = 50,714.40 : x
  2. Step 2: Convert to fraction form
    72,832.80/109,249.20 = 50,714.40/x
  3. Step 3: Cross multiply
    72,832.80x = 109,249.20 × 50,714.40
  4. Step 4: Simplify right side
    72,832.80x = 5,540,507,628.48
  5. Step 5: Solve for x
    x = 5,540,507,628.48/72,832.80
  6. Step 6: Final answer
    x = 76,071.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.