Home / 51,468.39-77,191.79-14,523.75

Finding the Fourth Proportional to 51,468.39, 77,191.79 and 14,523.75

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Solution

The fourth proportional to 51,468.39, 77,191.79 and 14,523.75 is: 21,782.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,468.39 : 77,191.79 = 14,523.75 : x
  2. Step 2: Convert to fraction form
    51,468.39/77,191.79 = 14,523.75/x
  3. Step 3: Cross multiply
    51,468.39x = 77,191.79 × 14,523.75
  4. Step 4: Simplify right side
    51,468.39x = 1,121,114,187.39
  5. Step 5: Solve for x
    x = 1,121,114,187.39/51,468.39
  6. Step 6: Final answer
    x = 21,782.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.