Home / 77,288.26-106,660.16-43,296.66

Finding the Fourth Proportional to 77,288.26, 106,660.16 and 43,296.66

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Solution

The fourth proportional to 77,288.26, 106,660.16 and 43,296.66 is: 59,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,288.26 : 106,660.16 = 43,296.66 : x
  2. Step 2: Convert to fraction form
    77,288.26/106,660.16 = 43,296.66/x
  3. Step 3: Cross multiply
    77,288.26x = 106,660.16 × 43,296.66
  4. Step 4: Simplify right side
    77,288.26x = 4,618,028,683.07
  5. Step 5: Solve for x
    x = 4,618,028,683.07/77,288.26
  6. Step 6: Final answer
    x = 59,750.71

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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.