Home / 89,947.44-124,120.98-49,661.28

Finding the Fourth Proportional to 89,947.44, 124,120.98 and 49,661.28

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Solution

The fourth proportional to 89,947.44, 124,120.98 and 49,661.28 is: 68,528.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,947.44 : 124,120.98 = 49,661.28 : x
  2. Step 2: Convert to fraction form
    89,947.44/124,120.98 = 49,661.28/x
  3. Step 3: Cross multiply
    89,947.44x = 124,120.98 × 49,661.28
  4. Step 4: Simplify right side
    89,947.44x = 6,164,006,741.65
  5. Step 5: Solve for x
    x = 6,164,006,741.65/89,947.44
  6. Step 6: Final answer
    x = 68,528.98

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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.