Home / 77,287.26-106,658.78-43,295.66

Finding the Fourth Proportional to 77,287.26, 106,658.78 and 43,295.66

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Solution

The fourth proportional to 77,287.26, 106,658.78 and 43,295.66 is: 59,749.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,287.26 : 106,658.78 = 43,295.66 : x
  2. Step 2: Convert to fraction form
    77,287.26/106,658.78 = 43,295.66/x
  3. Step 3: Cross multiply
    77,287.26x = 106,658.78 × 43,295.66
  4. Step 4: Simplify right side
    77,287.26x = 4,617,862,525.05
  5. Step 5: Solve for x
    x = 4,617,862,525.05/77,287.26
  6. Step 6: Final answer
    x = 59,749.33

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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.