Home / 89,303.66-123,238.62-49,018.11

Finding the Fourth Proportional to 89,303.66, 123,238.62 and 49,018.11

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Solution

The fourth proportional to 89,303.66, 123,238.62 and 49,018.11 is: 67,644.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,303.66 : 123,238.62 = 49,018.11 : x
  2. Step 2: Convert to fraction form
    89,303.66/123,238.62 = 49,018.11/x
  3. Step 3: Cross multiply
    89,303.66x = 123,238.62 × 49,018.11
  4. Step 4: Simplify right side
    89,303.66x = 6,040,924,231.41
  5. Step 5: Solve for x
    x = 6,040,924,231.41/89,303.66
  6. Step 6: Final answer
    x = 67,644.75

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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.