Home / 84,976.48-127,481.73-47,589.72

Finding the Fourth Proportional to 84,976.48, 127,481.73 and 47,589.72

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Solution

The fourth proportional to 84,976.48, 127,481.73 and 47,589.72 is: 71,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,976.48 : 127,481.73 = 47,589.72 : x
  2. Step 2: Convert to fraction form
    84,976.48/127,481.73 = 47,589.72/x
  3. Step 3: Cross multiply
    84,976.48x = 127,481.73 × 47,589.72
  4. Step 4: Simplify right side
    84,976.48x = 6,066,819,835.82
  5. Step 5: Solve for x
    x = 6,066,819,835.82/84,976.48
  6. Step 6: Final answer
    x = 71,394.11

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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.