Home / 76,679.86-114,914.76-57,944.56

Finding the Fourth Proportional to 76,679.86, 114,914.76 and 57,944.56

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Solution

The fourth proportional to 76,679.86, 114,914.76 and 57,944.56 is: 86,837.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,679.86 : 114,914.76 = 57,944.56 : x
  2. Step 2: Convert to fraction form
    76,679.86/114,914.76 = 57,944.56/x
  3. Step 3: Cross multiply
    76,679.86x = 114,914.76 × 57,944.56
  4. Step 4: Simplify right side
    76,679.86x = 6,658,685,205.71
  5. Step 5: Solve for x
    x = 6,658,685,205.71/76,679.86
  6. Step 6: Final answer
    x = 86,837.47

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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.