Home / 103,795.58-143,238.34-58,474.11

Finding the Fourth Proportional to 103,795.58, 143,238.34 and 58,474.11

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Solution

The fourth proportional to 103,795.58, 143,238.34 and 58,474.11 is: 80,694.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,795.58 : 143,238.34 = 58,474.11 : x
  2. Step 2: Convert to fraction form
    103,795.58/143,238.34 = 58,474.11/x
  3. Step 3: Cross multiply
    103,795.58x = 143,238.34 × 58,474.11
  4. Step 4: Simplify right side
    103,795.58x = 8,375,734,253.90
  5. Step 5: Solve for x
    x = 8,375,734,253.90/103,795.58
  6. Step 6: Final answer
    x = 80,694.52

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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.