Home / 103,654.46-143,050.41-58,336.80

Finding the Fourth Proportional to 103,654.46, 143,050.41 and 58,336.80

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Solution

The fourth proportional to 103,654.46, 143,050.41 and 58,336.80 is: 80,508.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,654.46 : 143,050.41 = 58,336.80 : x
  2. Step 2: Convert to fraction form
    103,654.46/143,050.41 = 58,336.80/x
  3. Step 3: Cross multiply
    103,654.46x = 143,050.41 × 58,336.80
  4. Step 4: Simplify right side
    103,654.46x = 8,345,103,158.09
  5. Step 5: Solve for x
    x = 8,345,103,158.09/103,654.46
  6. Step 6: Final answer
    x = 80,508.87

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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.