Home / 89,505.51-123,518.49-49,219.56

Finding the Fourth Proportional to 89,505.51, 123,518.49 and 49,219.56

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Solution

The fourth proportional to 89,505.51, 123,518.49 and 49,219.56 is: 67,923.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,505.51 : 123,518.49 = 49,219.56 : x
  2. Step 2: Convert to fraction form
    89,505.51/123,518.49 = 49,219.56/x
  3. Step 3: Cross multiply
    89,505.51x = 123,518.49 × 49,219.56
  4. Step 4: Simplify right side
    89,505.51x = 6,079,525,112.07
  5. Step 5: Solve for x
    x = 6,079,525,112.07/89,505.51
  6. Step 6: Final answer
    x = 67,923.48

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1.5x scale

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.