Home / 84,944.77-127,410.64-25,780.75

Finding the Fourth Proportional to 84,944.77, 127,410.64 and 25,780.75

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Solution

The fourth proportional to 84,944.77, 127,410.64 and 25,780.75 is: 38,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,944.77 : 127,410.64 = 25,780.75 : x
  2. Step 2: Convert to fraction form
    84,944.77/127,410.64 = 25,780.75/x
  3. Step 3: Cross multiply
    84,944.77x = 127,410.64 × 25,780.75
  4. Step 4: Simplify right side
    84,944.77x = 3,284,741,857.18
  5. Step 5: Solve for x
    x = 3,284,741,857.18/84,944.77
  6. Step 6: Final answer
    x = 38,669.15

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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.