Home / 107,548.88-161,356.14-54,995.28

Finding the Fourth Proportional to 107,548.88, 161,356.14 and 54,995.28

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Solution

The fourth proportional to 107,548.88, 161,356.14 and 54,995.28 is: 82,509.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,548.88 : 161,356.14 = 54,995.28 : x
  2. Step 2: Convert to fraction form
    107,548.88/161,356.14 = 54,995.28/x
  3. Step 3: Cross multiply
    107,548.88x = 161,356.14 × 54,995.28
  4. Step 4: Simplify right side
    107,548.88x = 8,873,826,099.02
  5. Step 5: Solve for x
    x = 8,873,826,099.02/107,548.88
  6. Step 6: Final answer
    x = 82,509.70

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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.