Home / 80,036.91-120,087.66-35,633.32

Finding the Fourth Proportional to 80,036.91, 120,087.66 and 35,633.32

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Solution

The fourth proportional to 80,036.91, 120,087.66 and 35,633.32 is: 53,464.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,036.91 : 120,087.66 = 35,633.32 : x
  2. Step 2: Convert to fraction form
    80,036.91/120,087.66 = 35,633.32/x
  3. Step 3: Cross multiply
    80,036.91x = 120,087.66 × 35,633.32
  4. Step 4: Simplify right side
    80,036.91x = 4,279,121,850.24
  5. Step 5: Solve for x
    x = 4,279,121,850.24/80,036.91
  6. Step 6: Final answer
    x = 53,464.36

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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.