Home / 103,653.66-143,049.42-58,336.14

Finding the Fourth Proportional to 103,653.66, 143,049.42 and 58,336.14

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Solution

The fourth proportional to 103,653.66, 143,049.42 and 58,336.14 is: 80,508.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,653.66 : 143,049.42 = 58,336.14 : x
  2. Step 2: Convert to fraction form
    103,653.66/143,049.42 = 58,336.14/x
  3. Step 3: Cross multiply
    103,653.66x = 143,049.42 × 58,336.14
  4. Step 4: Simplify right side
    103,653.66x = 8,344,950,992.04
  5. Step 5: Solve for x
    x = 8,344,950,992.04/103,653.66
  6. Step 6: Final answer
    x = 80,508.02

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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.