Home / 77,071.96-115,558.68-57,093.70

Finding the Fourth Proportional to 77,071.96, 115,558.68 and 57,093.70

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Solution

The fourth proportional to 77,071.96, 115,558.68 and 57,093.70 is: 85,604.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,071.96 : 115,558.68 = 57,093.70 : x
  2. Step 2: Convert to fraction form
    77,071.96/115,558.68 = 57,093.70/x
  3. Step 3: Cross multiply
    77,071.96x = 115,558.68 × 57,093.70
  4. Step 4: Simplify right side
    77,071.96x = 6,597,672,608.32
  5. Step 5: Solve for x
    x = 6,597,672,608.32/77,071.96
  6. Step 6: Final answer
    x = 85,604.06

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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.