Home / 85,391.04-117,844.20-49,592.28

Finding the Fourth Proportional to 85,391.04, 117,844.20 and 49,592.28

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Solution

The fourth proportional to 85,391.04, 117,844.20 and 49,592.28 is: 68,440.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,391.04 : 117,844.20 = 49,592.28 : x
  2. Step 2: Convert to fraction form
    85,391.04/117,844.20 = 49,592.28/x
  3. Step 3: Cross multiply
    85,391.04x = 117,844.20 × 49,592.28
  4. Step 4: Simplify right side
    85,391.04x = 5,844,162,562.78
  5. Step 5: Solve for x
    x = 5,844,162,562.78/85,391.04
  6. Step 6: Final answer
    x = 68,440.00

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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.