Home / 80,043.98-120,028.28-46,773.66

Finding the Fourth Proportional to 80,043.98, 120,028.28 and 46,773.66

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Solution

The fourth proportional to 80,043.98, 120,028.28 and 46,773.66 is: 70,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,043.98 : 120,028.28 = 46,773.66 : x
  2. Step 2: Convert to fraction form
    80,043.98/120,028.28 = 46,773.66/x
  3. Step 3: Cross multiply
    80,043.98x = 120,028.28 × 46,773.66
  4. Step 4: Simplify right side
    80,043.98x = 5,614,161,959.10
  5. Step 5: Solve for x
    x = 5,614,161,959.10/80,043.98
  6. Step 6: Final answer
    x = 70,138.47

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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.