Home / 84,883.72-127,281.78-38,096.56

Finding the Fourth Proportional to 84,883.72, 127,281.78 and 38,096.56

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Solution

The fourth proportional to 84,883.72, 127,281.78 and 38,096.56 is: 57,125.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,883.72 : 127,281.78 = 38,096.56 : x
  2. Step 2: Convert to fraction form
    84,883.72/127,281.78 = 38,096.56/x
  3. Step 3: Cross multiply
    84,883.72x = 127,281.78 × 38,096.56
  4. Step 4: Simplify right side
    84,883.72x = 4,848,997,968.68
  5. Step 5: Solve for x
    x = 4,848,997,968.68/84,883.72
  6. Step 6: Final answer
    x = 57,125.18

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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.