Home / 89,542.36-123,570.54-49,258.36

Finding the Fourth Proportional to 89,542.36, 123,570.54 and 49,258.36

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Solution

The fourth proportional to 89,542.36, 123,570.54 and 49,258.36 is: 67,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,542.36 : 123,570.54 = 49,258.36 : x
  2. Step 2: Convert to fraction form
    89,542.36/123,570.54 = 49,258.36/x
  3. Step 3: Cross multiply
    89,542.36x = 123,570.54 × 49,258.36
  4. Step 4: Simplify right side
    89,542.36x = 6,086,882,144.71
  5. Step 5: Solve for x
    x = 6,086,882,144.71/89,542.36
  6. Step 6: Final answer
    x = 67,977.68

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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.