Home / 107,845.80-161,775.90-36,767.40

Finding the Fourth Proportional to 107,845.80, 161,775.90 and 36,767.40

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Solution

The fourth proportional to 107,845.80, 161,775.90 and 36,767.40 is: 55,153.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,845.80 : 161,775.90 = 36,767.40 : x
  2. Step 2: Convert to fraction form
    107,845.80/161,775.90 = 36,767.40/x
  3. Step 3: Cross multiply
    107,845.80x = 161,775.90 × 36,767.40
  4. Step 4: Simplify right side
    107,845.80x = 5,948,079,225.66
  5. Step 5: Solve for x
    x = 5,948,079,225.66/107,845.80
  6. Step 6: Final answer
    x = 55,153.55

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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.