Home / 89,810.70-123,939.66-49,526.10

Finding the Fourth Proportional to 89,810.70, 123,939.66 and 49,526.10

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Solution

The fourth proportional to 89,810.70, 123,939.66 and 49,526.10 is: 68,346.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,810.70 : 123,939.66 = 49,526.10 : x
  2. Step 2: Convert to fraction form
    89,810.70/123,939.66 = 49,526.10/x
  3. Step 3: Cross multiply
    89,810.70x = 123,939.66 × 49,526.10
  4. Step 4: Simplify right side
    89,810.70x = 6,138,247,995.13
  5. Step 5: Solve for x
    x = 6,138,247,995.13/89,810.70
  6. Step 6: Final answer
    x = 68,346.51

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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.