Home / 107,940.60-161,908.47-29,055.78

Finding the Fourth Proportional to 107,940.60, 161,908.47 and 29,055.78

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Solution

The fourth proportional to 107,940.60, 161,908.47 and 29,055.78 is: 43,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,940.60 : 161,908.47 = 29,055.78 : x
  2. Step 2: Convert to fraction form
    107,940.60/161,908.47 = 29,055.78/x
  3. Step 3: Cross multiply
    107,940.60x = 161,908.47 × 29,055.78
  4. Step 4: Simplify right side
    107,940.60x = 4,704,376,884.46
  5. Step 5: Solve for x
    x = 4,704,376,884.46/107,940.60
  6. Step 6: Final answer
    x = 43,583.02

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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.