Home / 76,982.68-106,177.26-53,149.24

Finding the Fourth Proportional to 76,982.68, 106,177.26 and 53,149.24

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Solution

The fourth proportional to 76,982.68, 106,177.26 and 53,149.24 is: 73,305.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,982.68 : 106,177.26 = 53,149.24 : x
  2. Step 2: Convert to fraction form
    76,982.68/106,177.26 = 53,149.24/x
  3. Step 3: Cross multiply
    76,982.68x = 106,177.26 × 53,149.24
  4. Step 4: Simplify right side
    76,982.68x = 5,643,240,674.28
  5. Step 5: Solve for x
    x = 5,643,240,674.28/76,982.68
  6. Step 6: Final answer
    x = 73,305.33

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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.