Home / 80,633.58-111,222.92-63,632.39

Finding the Fourth Proportional to 80,633.58, 111,222.92 and 63,632.39

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Solution

The fourth proportional to 80,633.58, 111,222.92 and 63,632.39 is: 87,772.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,633.58 : 111,222.92 = 63,632.39 : x
  2. Step 2: Convert to fraction form
    80,633.58/111,222.92 = 63,632.39/x
  3. Step 3: Cross multiply
    80,633.58x = 111,222.92 × 63,632.39
  4. Step 4: Simplify right side
    80,633.58x = 7,077,379,825.35
  5. Step 5: Solve for x
    x = 7,077,379,825.35/80,633.58
  6. Step 6: Final answer
    x = 87,772.12

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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.