Home / 107,701.12-161,451.30-36,575.12

Finding the Fourth Proportional to 107,701.12, 161,451.30 and 36,575.12

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Solution

The fourth proportional to 107,701.12, 161,451.30 and 36,575.12 is: 54,828.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,701.12 : 161,451.30 = 36,575.12 : x
  2. Step 2: Convert to fraction form
    107,701.12/161,451.30 = 36,575.12/x
  3. Step 3: Cross multiply
    107,701.12x = 161,451.30 × 36,575.12
  4. Step 4: Simplify right side
    107,701.12x = 5,905,100,671.66
  5. Step 5: Solve for x
    x = 5,905,100,671.66/107,701.12
  6. Step 6: Final answer
    x = 54,828.59

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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.