Home / 89,528.70-123,508.07-53,656.44

Finding the Fourth Proportional to 89,528.70, 123,508.07 and 53,656.44

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Solution

The fourth proportional to 89,528.70, 123,508.07 and 53,656.44 is: 74,020.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,528.70 : 123,508.07 = 53,656.44 : x
  2. Step 2: Convert to fraction form
    89,528.70/123,508.07 = 53,656.44/x
  3. Step 3: Cross multiply
    89,528.70x = 123,508.07 × 53,656.44
  4. Step 4: Simplify right side
    89,528.70x = 6,627,002,817.24
  5. Step 5: Solve for x
    x = 6,627,002,817.24/89,528.70
  6. Step 6: Final answer
    x = 74,020.98

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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.