Home / 84,927.16-127,376.52-25,748.68

Finding the Fourth Proportional to 84,927.16, 127,376.52 and 25,748.68

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Solution

The fourth proportional to 84,927.16, 127,376.52 and 25,748.68 is: 38,618.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,927.16 : 127,376.52 = 25,748.68 : x
  2. Step 2: Convert to fraction form
    84,927.16/127,376.52 = 25,748.68/x
  3. Step 3: Cross multiply
    84,927.16x = 127,376.52 × 25,748.68
  4. Step 4: Simplify right side
    84,927.16x = 3,279,777,252.99
  5. Step 5: Solve for x
    x = 3,279,777,252.99/84,927.16
  6. Step 6: Final answer
    x = 38,618.71

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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.