Home / 57,987.38-79,844.64-50,776.04

Finding the Fourth Proportional to 57,987.38, 79,844.64 and 50,776.04

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Solution

The fourth proportional to 57,987.38, 79,844.64 and 50,776.04 is: 69,915.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,987.38 : 79,844.64 = 50,776.04 : x
  2. Step 2: Convert to fraction form
    57,987.38/79,844.64 = 50,776.04/x
  3. Step 3: Cross multiply
    57,987.38x = 79,844.64 × 50,776.04
  4. Step 4: Simplify right side
    57,987.38x = 4,054,194,634.43
  5. Step 5: Solve for x
    x = 4,054,194,634.43/57,987.38
  6. Step 6: Final answer
    x = 69,915.12

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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.