Home / 89,800.65-123,954.92-53,513.48

Finding the Fourth Proportional to 89,800.65, 123,954.92 and 53,513.48

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Solution

The fourth proportional to 89,800.65, 123,954.92 and 53,513.48 is: 73,866.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,800.65 : 123,954.92 = 53,513.48 : x
  2. Step 2: Convert to fraction form
    89,800.65/123,954.92 = 53,513.48/x
  3. Step 3: Cross multiply
    89,800.65x = 123,954.92 × 53,513.48
  4. Step 4: Simplify right side
    89,800.65x = 6,633,259,132.32
  5. Step 5: Solve for x
    x = 6,633,259,132.32/89,800.65
  6. Step 6: Final answer
    x = 73,866.49

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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.