Home / 77,881.26-116,821.89-24,578.64

Finding the Fourth Proportional to 77,881.26, 116,821.89 and 24,578.64

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Solution

The fourth proportional to 77,881.26, 116,821.89 and 24,578.64 is: 36,867.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,881.26 : 116,821.89 = 24,578.64 : x
  2. Step 2: Convert to fraction form
    77,881.26/116,821.89 = 24,578.64/x
  3. Step 3: Cross multiply
    77,881.26x = 116,821.89 × 24,578.64
  4. Step 4: Simplify right side
    77,881.26x = 2,871,322,648.18
  5. Step 5: Solve for x
    x = 2,871,322,648.18/77,881.26
  6. Step 6: Final answer
    x = 36,867.95

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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.