Home / 89,501.58-123,512.28-49,216.02

Finding the Fourth Proportional to 89,501.58, 123,512.28 and 49,216.02

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Solution

The fourth proportional to 89,501.58, 123,512.28 and 49,216.02 is: 67,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,501.58 : 123,512.28 = 49,216.02 : x
  2. Step 2: Convert to fraction form
    89,501.58/123,512.28 = 49,216.02/x
  3. Step 3: Cross multiply
    89,501.58x = 123,512.28 × 49,216.02
  4. Step 4: Simplify right side
    89,501.58x = 6,078,782,842.73
  5. Step 5: Solve for x
    x = 6,078,782,842.73/89,501.58
  6. Step 6: Final answer
    x = 67,918.16

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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.