Home / 77,760.84-116,571.78-30,364.91

Finding the Fourth Proportional to 77,760.84, 116,571.78 and 30,364.91

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Solution

The fourth proportional to 77,760.84, 116,571.78 and 30,364.91 is: 45,520.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,760.84 : 116,571.78 = 30,364.91 : x
  2. Step 2: Convert to fraction form
    77,760.84/116,571.78 = 30,364.91/x
  3. Step 3: Cross multiply
    77,760.84x = 116,571.78 × 30,364.91
  4. Step 4: Simplify right side
    77,760.84x = 3,539,691,025.38
  5. Step 5: Solve for x
    x = 3,539,691,025.38/77,760.84
  6. Step 6: Final answer
    x = 45,520.23

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1.5x scale

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.