Home / 89,551.12-123,583.54-49,266.58

Finding the Fourth Proportional to 89,551.12, 123,583.54 and 49,266.58

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Solution

The fourth proportional to 89,551.12, 123,583.54 and 49,266.58 is: 67,989.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,551.12 : 123,583.54 = 49,266.58 : x
  2. Step 2: Convert to fraction form
    89,551.12/123,583.54 = 49,266.58/x
  3. Step 3: Cross multiply
    89,551.12x = 123,583.54 × 49,266.58
  4. Step 4: Simplify right side
    89,551.12x = 6,088,538,360.09
  5. Step 5: Solve for x
    x = 6,088,538,360.09/89,551.12
  6. Step 6: Final answer
    x = 67,989.53

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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.