Home / 89,853.74-123,996.18-49,567.54

Finding the Fourth Proportional to 89,853.74, 123,996.18 and 49,567.54

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Solution

The fourth proportional to 89,853.74, 123,996.18 and 49,567.54 is: 68,402.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,853.74 : 123,996.18 = 49,567.54 : x
  2. Step 2: Convert to fraction form
    89,853.74/123,996.18 = 49,567.54/x
  3. Step 3: Cross multiply
    89,853.74x = 123,996.18 × 49,567.54
  4. Step 4: Simplify right side
    89,853.74x = 6,146,185,612.00
  5. Step 5: Solve for x
    x = 6,146,185,612.00/89,853.74
  6. Step 6: Final answer
    x = 68,402.11

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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.