Home / 77,996.88-116,995.32-25,406.36

Finding the Fourth Proportional to 77,996.88, 116,995.32 and 25,406.36

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Solution

The fourth proportional to 77,996.88, 116,995.32 and 25,406.36 is: 38,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,996.88 : 116,995.32 = 25,406.36 : x
  2. Step 2: Convert to fraction form
    77,996.88/116,995.32 = 25,406.36/x
  3. Step 3: Cross multiply
    77,996.88x = 116,995.32 × 25,406.36
  4. Step 4: Simplify right side
    77,996.88x = 2,972,425,218.24
  5. Step 5: Solve for x
    x = 2,972,425,218.24/77,996.88
  6. Step 6: Final answer
    x = 38,109.54

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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.