Home / 89,286.16-123,218.76-53,482

Finding the Fourth Proportional to 89,286.16, 123,218.76 and 53,482

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Solution

The fourth proportional to 89,286.16, 123,218.76 and 53,482 is: 73,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,286.16 : 123,218.76 = 53,482 : x
  2. Step 2: Convert to fraction form
    89,286.16/123,218.76 = 53,482/x
  3. Step 3: Cross multiply
    89,286.16x = 123,218.76 × 53,482
  4. Step 4: Simplify right side
    89,286.16x = 6,589,985,722.32
  5. Step 5: Solve for x
    x = 6,589,985,722.32/89,286.16
  6. Step 6: Final answer
    x = 73,807.47

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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.