Home / 77,427.03-116,102.96-45,414.82

Finding the Fourth Proportional to 77,427.03, 116,102.96 and 45,414.82

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Solution

The fourth proportional to 77,427.03, 116,102.96 and 45,414.82 is: 68,100.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,427.03 : 116,102.96 = 45,414.82 : x
  2. Step 2: Convert to fraction form
    77,427.03/116,102.96 = 45,414.82/x
  3. Step 3: Cross multiply
    77,427.03x = 116,102.96 × 45,414.82
  4. Step 4: Simplify right side
    77,427.03x = 5,272,795,029.87
  5. Step 5: Solve for x
    x = 5,272,795,029.87/77,427.03
  6. Step 6: Final answer
    x = 68,100.18

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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.