Home / 89,574.64-123,599.96-53,757.04

Finding the Fourth Proportional to 89,574.64, 123,599.96 and 53,757.04

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Solution

The fourth proportional to 89,574.64, 123,599.96 and 53,757.04 is: 74,176.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,574.64 : 123,599.96 = 53,757.04 : x
  2. Step 2: Convert to fraction form
    89,574.64/123,599.96 = 53,757.04/x
  3. Step 3: Cross multiply
    89,574.64x = 123,599.96 × 53,757.04
  4. Step 4: Simplify right side
    89,574.64x = 6,644,367,993.72
  5. Step 5: Solve for x
    x = 6,644,367,993.72/89,574.64
  6. Step 6: Final answer
    x = 74,176.89

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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.