Home / 89,250.64-123,167.04-48,961.80

Finding the Fourth Proportional to 89,250.64, 123,167.04 and 48,961.80

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Solution

The fourth proportional to 89,250.64, 123,167.04 and 48,961.80 is: 67,567.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,250.64 : 123,167.04 = 48,961.80 : x
  2. Step 2: Convert to fraction form
    89,250.64/123,167.04 = 48,961.80/x
  3. Step 3: Cross multiply
    89,250.64x = 123,167.04 × 48,961.80
  4. Step 4: Simplify right side
    89,250.64x = 6,030,479,979.07
  5. Step 5: Solve for x
    x = 6,030,479,979.07/89,250.64
  6. Step 6: Final answer
    x = 67,567.92

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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.