Home / 77,551.40-116,327.10-50,979.35

Finding the Fourth Proportional to 77,551.40, 116,327.10 and 50,979.35

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Solution

The fourth proportional to 77,551.40, 116,327.10 and 50,979.35 is: 76,469.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,551.40 : 116,327.10 = 50,979.35 : x
  2. Step 2: Convert to fraction form
    77,551.40/116,327.10 = 50,979.35/x
  3. Step 3: Cross multiply
    77,551.40x = 116,327.10 × 50,979.35
  4. Step 4: Simplify right side
    77,551.40x = 5,930,279,945.39
  5. Step 5: Solve for x
    x = 5,930,279,945.39/77,551.40
  6. Step 6: Final answer
    x = 76,469.03

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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.