Home / 77,996.91-116,995.37-25,406.39

Finding the Fourth Proportional to 77,996.91, 116,995.37 and 25,406.39

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Solution

The fourth proportional to 77,996.91, 116,995.37 and 25,406.39 is: 38,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,996.91 : 116,995.37 = 25,406.39 : x
  2. Step 2: Convert to fraction form
    77,996.91/116,995.37 = 25,406.39/x
  3. Step 3: Cross multiply
    77,996.91x = 116,995.37 × 25,406.39
  4. Step 4: Simplify right side
    77,996.91x = 2,972,429,871.38
  5. Step 5: Solve for x
    x = 2,972,429,871.38/77,996.91
  6. Step 6: Final answer
    x = 38,109.59

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1.5x scale

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.