Home / 89,288.12-123,209.44-52,983.29

Finding the Fourth Proportional to 89,288.12, 123,209.44 and 52,983.29

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Solution

The fourth proportional to 89,288.12, 123,209.44 and 52,983.29 is: 73,112.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,288.12 : 123,209.44 = 52,983.29 : x
  2. Step 2: Convert to fraction form
    89,288.12/123,209.44 = 52,983.29/x
  3. Step 3: Cross multiply
    89,288.12x = 123,209.44 × 52,983.29
  4. Step 4: Simplify right side
    89,288.12x = 6,528,041,665.82
  5. Step 5: Solve for x
    x = 6,528,041,665.82/89,288.12
  6. Step 6: Final answer
    x = 73,112.09

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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.