Home / 107,650.86-161,422.02-32,756.64

Finding the Fourth Proportional to 107,650.86, 161,422.02 and 32,756.64

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Solution

The fourth proportional to 107,650.86, 161,422.02 and 32,756.64 is: 49,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,650.86 : 161,422.02 = 32,756.64 : x
  2. Step 2: Convert to fraction form
    107,650.86/161,422.02 = 32,756.64/x
  3. Step 3: Cross multiply
    107,650.86x = 161,422.02 × 32,756.64
  4. Step 4: Simplify right side
    107,650.86x = 5,287,642,997.21
  5. Step 5: Solve for x
    x = 5,287,642,997.21/107,650.86
  6. Step 6: Final answer
    x = 49,118.45

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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.