Home / 103,694.11-143,096.27-58,371.95

Finding the Fourth Proportional to 103,694.11, 143,096.27 and 58,371.95

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Solution

The fourth proportional to 103,694.11, 143,096.27 and 58,371.95 is: 80,552.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,694.11 : 143,096.27 = 58,371.95 : x
  2. Step 2: Convert to fraction form
    103,694.11/143,096.27 = 58,371.95/x
  3. Step 3: Cross multiply
    103,694.11x = 143,096.27 × 58,371.95
  4. Step 4: Simplify right side
    103,694.11x = 8,352,808,317.63
  5. Step 5: Solve for x
    x = 8,352,808,317.63/103,694.11
  6. Step 6: Final answer
    x = 80,552.39

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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.