Home / 77,101.12-106,399.72-43,110.84

Finding the Fourth Proportional to 77,101.12, 106,399.72 and 43,110.84

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Solution

The fourth proportional to 77,101.12, 106,399.72 and 43,110.84 is: 59,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,101.12 : 106,399.72 = 43,110.84 : x
  2. Step 2: Convert to fraction form
    77,101.12/106,399.72 = 43,110.84/x
  3. Step 3: Cross multiply
    77,101.12x = 106,399.72 × 43,110.84
  4. Step 4: Simplify right side
    77,101.12x = 4,586,981,304.96
  5. Step 5: Solve for x
    x = 4,586,981,304.96/77,101.12
  6. Step 6: Final answer
    x = 59,493.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.