Home / 107,818.60-161,732.70-36,740.20

Finding the Fourth Proportional to 107,818.60, 161,732.70 and 36,740.20

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Solution

The fourth proportional to 107,818.60, 161,732.70 and 36,740.20 is: 55,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,818.60 : 161,732.70 = 36,740.20 : x
  2. Step 2: Convert to fraction form
    107,818.60/161,732.70 = 36,740.20/x
  3. Step 3: Cross multiply
    107,818.60x = 161,732.70 × 36,740.20
  4. Step 4: Simplify right side
    107,818.60x = 5,942,091,744.54
  5. Step 5: Solve for x
    x = 5,942,091,744.54/107,818.60
  6. Step 6: Final answer
    x = 55,111.94

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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.