Home / 85,064.14-127,591.89-25,898.50

Finding the Fourth Proportional to 85,064.14, 127,591.89 and 25,898.50

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Solution

The fourth proportional to 85,064.14, 127,591.89 and 25,898.50 is: 38,846.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,064.14 : 127,591.89 = 25,898.50 : x
  2. Step 2: Convert to fraction form
    85,064.14/127,591.89 = 25,898.50/x
  3. Step 3: Cross multiply
    85,064.14x = 127,591.89 × 25,898.50
  4. Step 4: Simplify right side
    85,064.14x = 3,304,438,563.17
  5. Step 5: Solve for x
    x = 3,304,438,563.17/85,064.14
  6. Step 6: Final answer
    x = 38,846.43

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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.