Home / 77,286.70-116,544.98-76,232.85

Finding the Fourth Proportional to 77,286.70, 116,544.98 and 76,232.85

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Solution

The fourth proportional to 77,286.70, 116,544.98 and 76,232.85 is: 114,955.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,286.70 : 116,544.98 = 76,232.85 : x
  2. Step 2: Convert to fraction form
    77,286.70/116,544.98 = 76,232.85/x
  3. Step 3: Cross multiply
    77,286.70x = 116,544.98 × 76,232.85
  4. Step 4: Simplify right side
    77,286.70x = 8,884,555,978.59
  5. Step 5: Solve for x
    x = 8,884,555,978.59/77,286.70
  6. Step 6: Final answer
    x = 114,955.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.