Home / 107,841.68-161,784.39-37,770.20

Finding the Fourth Proportional to 107,841.68, 161,784.39 and 37,770.20

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Solution

The fourth proportional to 107,841.68, 161,784.39 and 37,770.20 is: 56,662.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,841.68 : 161,784.39 = 37,770.20 : x
  2. Step 2: Convert to fraction form
    107,841.68/161,784.39 = 37,770.20/x
  3. Step 3: Cross multiply
    107,841.68x = 161,784.39 × 37,770.20
  4. Step 4: Simplify right side
    107,841.68x = 6,110,628,767.18
  5. Step 5: Solve for x
    x = 6,110,628,767.18/107,841.68
  6. Step 6: Final answer
    x = 56,662.96

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1.5x scale

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.