Home / 86,636.38-119,565.15-68,877.94

Finding the Fourth Proportional to 86,636.38, 119,565.15 and 68,877.94

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Solution

The fourth proportional to 86,636.38, 119,565.15 and 68,877.94 is: 95,057.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,636.38 : 119,565.15 = 68,877.94 : x
  2. Step 2: Convert to fraction form
    86,636.38/119,565.15 = 68,877.94/x
  3. Step 3: Cross multiply
    86,636.38x = 119,565.15 × 68,877.94
  4. Step 4: Simplify right side
    86,636.38x = 8,235,401,227.79
  5. Step 5: Solve for x
    x = 8,235,401,227.79/86,636.38
  6. Step 6: Final answer
    x = 95,057.08

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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.