Home / 80,044.98-120,029.79-46,774.65

Finding the Fourth Proportional to 80,044.98, 120,029.79 and 46,774.65

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Solution

The fourth proportional to 80,044.98, 120,029.79 and 46,774.65 is: 70,139.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,044.98 : 120,029.79 = 46,774.65 : x
  2. Step 2: Convert to fraction form
    80,044.98/120,029.79 = 46,774.65/x
  3. Step 3: Cross multiply
    80,044.98x = 120,029.79 × 46,774.65
  4. Step 4: Simplify right side
    80,044.98x = 5,614,351,416.82
  5. Step 5: Solve for x
    x = 5,614,351,416.82/80,044.98
  6. Step 6: Final answer
    x = 70,139.96

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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.