Home / 84,844.73-127,267.40-28,685.31

Finding the Fourth Proportional to 84,844.73, 127,267.40 and 28,685.31

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Solution

The fourth proportional to 84,844.73, 127,267.40 and 28,685.31 is: 43,028.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,844.73 : 127,267.40 = 28,685.31 : x
  2. Step 2: Convert to fraction form
    84,844.73/127,267.40 = 28,685.31/x
  3. Step 3: Cross multiply
    84,844.73x = 127,267.40 × 28,685.31
  4. Step 4: Simplify right side
    84,844.73x = 3,650,704,416.35
  5. Step 5: Solve for x
    x = 3,650,704,416.35/84,844.73
  6. Step 6: Final answer
    x = 43,028.06

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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.