Home / 84,954.56-127,272-49,789.76

Finding the Fourth Proportional to 84,954.56, 127,272 and 49,789.76

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Solution

The fourth proportional to 84,954.56, 127,272 and 49,789.76 is: 74,590.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,954.56 : 127,272 = 49,789.76 : x
  2. Step 2: Convert to fraction form
    84,954.56/127,272 = 49,789.76/x
  3. Step 3: Cross multiply
    84,954.56x = 127,272 × 49,789.76
  4. Step 4: Simplify right side
    84,954.56x = 6,336,842,334.72
  5. Step 5: Solve for x
    x = 6,336,842,334.72/84,954.56
  6. Step 6: Final answer
    x = 74,590.96

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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.