Home / 49,764.87-68,700.30-32,780.07

Finding the Fourth Proportional to 49,764.87, 68,700.30 and 32,780.07

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Solution

The fourth proportional to 49,764.87, 68,700.30 and 32,780.07 is: 45,252.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,764.87 : 68,700.30 = 32,780.07 : x
  2. Step 2: Convert to fraction form
    49,764.87/68,700.30 = 32,780.07/x
  3. Step 3: Cross multiply
    49,764.87x = 68,700.30 × 32,780.07
  4. Step 4: Simplify right side
    49,764.87x = 2,252,000,643.02
  5. Step 5: Solve for x
    x = 2,252,000,643.02/49,764.87
  6. Step 6: Final answer
    x = 45,252.82

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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.