Home / 57,817.56-86,603.40-27,787.70

Finding the Fourth Proportional to 57,817.56, 86,603.40 and 27,787.70

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Solution

The fourth proportional to 57,817.56, 86,603.40 and 27,787.70 is: 41,622.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,817.56 : 86,603.40 = 27,787.70 : x
  2. Step 2: Convert to fraction form
    57,817.56/86,603.40 = 27,787.70/x
  3. Step 3: Cross multiply
    57,817.56x = 86,603.40 × 27,787.70
  4. Step 4: Simplify right side
    57,817.56x = 2,406,508,865.16
  5. Step 5: Solve for x
    x = 2,406,508,865.16/57,817.56
  6. Step 6: Final answer
    x = 41,622.46

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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.