Home / 86,892.30-119,913.20-49,166.55

Finding the Fourth Proportional to 86,892.30, 119,913.20 and 49,166.55

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Solution

The fourth proportional to 86,892.30, 119,913.20 and 49,166.55 is: 67,850.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,892.30 : 119,913.20 = 49,166.55 : x
  2. Step 2: Convert to fraction form
    86,892.30/119,913.20 = 49,166.55/x
  3. Step 3: Cross multiply
    86,892.30x = 119,913.20 × 49,166.55
  4. Step 4: Simplify right side
    86,892.30x = 5,895,718,097.63
  5. Step 5: Solve for x
    x = 5,895,718,097.63/86,892.30
  6. Step 6: Final answer
    x = 67,850.87

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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.