Home / 89,890.33-124,048.56-49,604.08

Finding the Fourth Proportional to 89,890.33, 124,048.56 and 49,604.08

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Solution

The fourth proportional to 89,890.33, 124,048.56 and 49,604.08 is: 68,453.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,890.33 : 124,048.56 = 49,604.08 : x
  2. Step 2: Convert to fraction form
    89,890.33/124,048.56 = 49,604.08/x
  3. Step 3: Cross multiply
    89,890.33x = 124,048.56 × 49,604.08
  4. Step 4: Simplify right side
    89,890.33x = 6,153,314,694.12
  5. Step 5: Solve for x
    x = 6,153,314,694.12/89,890.33
  6. Step 6: Final answer
    x = 68,453.58

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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.