Home / 77,909.27-116,891.71-25,318.94

Finding the Fourth Proportional to 77,909.27, 116,891.71 and 25,318.94

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Solution

The fourth proportional to 77,909.27, 116,891.71 and 25,318.94 is: 37,987.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,909.27 : 116,891.71 = 25,318.94 : x
  2. Step 2: Convert to fraction form
    77,909.27/116,891.71 = 25,318.94/x
  3. Step 3: Cross multiply
    77,909.27x = 116,891.71 × 25,318.94
  4. Step 4: Simplify right side
    77,909.27x = 2,959,573,544.23
  5. Step 5: Solve for x
    x = 2,959,573,544.23/77,909.27
  6. Step 6: Final answer
    x = 37,987.44

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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.