Home / 107,644.98-161,420.40-54,304.14

Finding the Fourth Proportional to 107,644.98, 161,420.40 and 54,304.14

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Solution

The fourth proportional to 107,644.98, 161,420.40 and 54,304.14 is: 81,432.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,644.98 : 161,420.40 = 54,304.14 : x
  2. Step 2: Convert to fraction form
    107,644.98/161,420.40 = 54,304.14/x
  3. Step 3: Cross multiply
    107,644.98x = 161,420.40 × 54,304.14
  4. Step 4: Simplify right side
    107,644.98x = 8,765,796,000.46
  5. Step 5: Solve for x
    x = 8,765,796,000.46/107,644.98
  6. Step 6: Final answer
    x = 81,432.46

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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.