Home / 107,942.60-161,795.10-37,785.80

Finding the Fourth Proportional to 107,942.60, 161,795.10 and 37,785.80

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Solution

The fourth proportional to 107,942.60, 161,795.10 and 37,785.80 is: 56,637.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,942.60 : 161,795.10 = 37,785.80 : x
  2. Step 2: Convert to fraction form
    107,942.60/161,795.10 = 37,785.80/x
  3. Step 3: Cross multiply
    107,942.60x = 161,795.10 × 37,785.80
  4. Step 4: Simplify right side
    107,942.60x = 6,113,557,289.58
  5. Step 5: Solve for x
    x = 6,113,557,289.58/107,942.60
  6. Step 6: Final answer
    x = 56,637.11

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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.