Home / 89,318.84-123,259.50-49,033.28

Finding the Fourth Proportional to 89,318.84, 123,259.50 and 49,033.28

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Solution

The fourth proportional to 89,318.84, 123,259.50 and 49,033.28 is: 67,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,318.84 : 123,259.50 = 49,033.28 : x
  2. Step 2: Convert to fraction form
    89,318.84/123,259.50 = 49,033.28/x
  3. Step 3: Cross multiply
    89,318.84x = 123,259.50 × 49,033.28
  4. Step 4: Simplify right side
    89,318.84x = 6,043,817,576.16
  5. Step 5: Solve for x
    x = 6,043,817,576.16/89,318.84
  6. Step 6: Final answer
    x = 67,665.65

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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.