Home / 77,591.05-116,188.93-51,215.29

Finding the Fourth Proportional to 77,591.05, 116,188.93 and 51,215.29

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Solution

The fourth proportional to 77,591.05, 116,188.93 and 51,215.29 is: 76,692.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,591.05 : 116,188.93 = 51,215.29 : x
  2. Step 2: Convert to fraction form
    77,591.05/116,188.93 = 51,215.29/x
  3. Step 3: Cross multiply
    77,591.05x = 116,188.93 × 51,215.29
  4. Step 4: Simplify right side
    77,591.05x = 5,950,649,744.74
  5. Step 5: Solve for x
    x = 5,950,649,744.74/77,591.05
  6. Step 6: Final answer
    x = 76,692.48

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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.