Home / 107,531.10-161,291.99-32,649.55

Finding the Fourth Proportional to 107,531.10, 161,291.99 and 32,649.55

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Solution

The fourth proportional to 107,531.10, 161,291.99 and 32,649.55 is: 48,972.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,531.10 : 161,291.99 = 32,649.55 : x
  2. Step 2: Convert to fraction form
    107,531.10/161,291.99 = 32,649.55/x
  3. Step 3: Cross multiply
    107,531.10x = 161,291.99 × 32,649.55
  4. Step 4: Simplify right side
    107,531.10x = 5,266,110,570.50
  5. Step 5: Solve for x
    x = 5,266,110,570.50/107,531.10
  6. Step 6: Final answer
    x = 48,972.91

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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.