Home / 68,565.15-102,667.23-55,166.85

Finding the Fourth Proportional to 68,565.15, 102,667.23 and 55,166.85

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Solution

The fourth proportional to 68,565.15, 102,667.23 and 55,166.85 is: 82,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,565.15 : 102,667.23 = 55,166.85 : x
  2. Step 2: Convert to fraction form
    68,565.15/102,667.23 = 55,166.85/x
  3. Step 3: Cross multiply
    68,565.15x = 102,667.23 × 55,166.85
  4. Step 4: Simplify right side
    68,565.15x = 5,663,827,677.33
  5. Step 5: Solve for x
    x = 5,663,827,677.33/68,565.15
  6. Step 6: Final answer
    x = 82,605.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.