Home / 80,633.30-111,255.80-48,795.44

Finding the Fourth Proportional to 80,633.30, 111,255.80 and 48,795.44

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Solution

The fourth proportional to 80,633.30, 111,255.80 and 48,795.44 is: 67,326.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,633.30 : 111,255.80 = 48,795.44 : x
  2. Step 2: Convert to fraction form
    80,633.30/111,255.80 = 48,795.44/x
  3. Step 3: Cross multiply
    80,633.30x = 111,255.80 × 48,795.44
  4. Step 4: Simplify right side
    80,633.30x = 5,428,774,913.30
  5. Step 5: Solve for x
    x = 5,428,774,913.30/80,633.30
  6. Step 6: Final answer
    x = 67,326.72

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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.