Home / 89,397.64-123,367.62-51,671.08

Finding the Fourth Proportional to 89,397.64, 123,367.62 and 51,671.08

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Solution

The fourth proportional to 89,397.64, 123,367.62 and 51,671.08 is: 71,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,397.64 : 123,367.62 = 51,671.08 : x
  2. Step 2: Convert to fraction form
    89,397.64/123,367.62 = 51,671.08/x
  3. Step 3: Cross multiply
    89,397.64x = 123,367.62 × 51,671.08
  4. Step 4: Simplify right side
    89,397.64x = 6,374,538,162.43
  5. Step 5: Solve for x
    x = 6,374,538,162.43/89,397.64
  6. Step 6: Final answer
    x = 71,305.44

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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.