Home / 84,944.83-127,422.11-25,782.43

Finding the Fourth Proportional to 84,944.83, 127,422.11 and 25,782.43

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Solution

The fourth proportional to 84,944.83, 127,422.11 and 25,782.43 is: 38,675.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,944.83 : 127,422.11 = 25,782.43 : x
  2. Step 2: Convert to fraction form
    84,944.83/127,422.11 = 25,782.43/x
  3. Step 3: Cross multiply
    84,944.83x = 127,422.11 × 25,782.43
  4. Step 4: Simplify right side
    84,944.83x = 3,285,251,631.53
  5. Step 5: Solve for x
    x = 3,285,251,631.53/84,944.83
  6. Step 6: Final answer
    x = 38,675.12

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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.