Home / 120,593.06-180,924.96-54,018.38

Finding the Fourth Proportional to 120,593.06, 180,924.96 and 54,018.38

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Solution

The fourth proportional to 120,593.06, 180,924.96 and 54,018.38 is: 81,043.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,593.06 : 180,924.96 = 54,018.38 : x
  2. Step 2: Convert to fraction form
    120,593.06/180,924.96 = 54,018.38/x
  3. Step 3: Cross multiply
    120,593.06x = 180,924.96 × 54,018.38
  4. Step 4: Simplify right side
    120,593.06x = 9,773,273,240.76
  5. Step 5: Solve for x
    x = 9,773,273,240.76/120,593.06
  6. Step 6: Final answer
    x = 81,043.41

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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.