Home / 104,049.87-143,589.31-58,729.76

Finding the Fourth Proportional to 104,049.87, 143,589.31 and 58,729.76

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Solution

The fourth proportional to 104,049.87, 143,589.31 and 58,729.76 is: 81,047.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,049.87 : 143,589.31 = 58,729.76 : x
  2. Step 2: Convert to fraction form
    104,049.87/143,589.31 = 58,729.76/x
  3. Step 3: Cross multiply
    104,049.87x = 143,589.31 × 58,729.76
  4. Step 4: Simplify right side
    104,049.87x = 8,432,965,388.55
  5. Step 5: Solve for x
    x = 8,432,965,388.55/104,049.87
  6. Step 6: Final answer
    x = 81,047.34

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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.