Home / 77,561.64-116,517.42-46,418.76

Finding the Fourth Proportional to 77,561.64, 116,517.42 and 46,418.76

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Solution

The fourth proportional to 77,561.64, 116,517.42 and 46,418.76 is: 69,732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,561.64 : 116,517.42 = 46,418.76 : x
  2. Step 2: Convert to fraction form
    77,561.64/116,517.42 = 46,418.76/x
  3. Step 3: Cross multiply
    77,561.64x = 116,517.42 × 46,418.76
  4. Step 4: Simplify right side
    77,561.64x = 5,408,594,154.80
  5. Step 5: Solve for x
    x = 5,408,594,154.80/77,561.64
  6. Step 6: Final answer
    x = 69,732.85

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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.