Home / 77,964.66-116,948.79-25,378.25

Finding the Fourth Proportional to 77,964.66, 116,948.79 and 25,378.25

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Solution

The fourth proportional to 77,964.66, 116,948.79 and 25,378.25 is: 38,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,964.66 : 116,948.79 = 25,378.25 : x
  2. Step 2: Convert to fraction form
    77,964.66/116,948.79 = 25,378.25/x
  3. Step 3: Cross multiply
    77,964.66x = 116,948.79 × 25,378.25
  4. Step 4: Simplify right side
    77,964.66x = 2,967,955,045.07
  5. Step 5: Solve for x
    x = 2,967,955,045.07/77,964.66
  6. Step 6: Final answer
    x = 38,067.95

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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.