Home / 77,958.56-116,939.28-25,367.84

Finding the Fourth Proportional to 77,958.56, 116,939.28 and 25,367.84

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Solution

The fourth proportional to 77,958.56, 116,939.28 and 25,367.84 is: 38,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,958.56 : 116,939.28 = 25,367.84 : x
  2. Step 2: Convert to fraction form
    77,958.56/116,939.28 = 25,367.84/x
  3. Step 3: Cross multiply
    77,958.56x = 116,939.28 × 25,367.84
  4. Step 4: Simplify right side
    77,958.56x = 2,966,496,944.76
  5. Step 5: Solve for x
    x = 2,966,496,944.76/77,958.56
  6. Step 6: Final answer
    x = 38,052.23

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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.