Home / 107,369.82-161,108.25-48,247.74

Finding the Fourth Proportional to 107,369.82, 161,108.25 and 48,247.74

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Solution

The fourth proportional to 107,369.82, 161,108.25 and 48,247.74 is: 72,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,369.82 : 161,108.25 = 48,247.74 : x
  2. Step 2: Convert to fraction form
    107,369.82/161,108.25 = 48,247.74/x
  3. Step 3: Cross multiply
    107,369.82x = 161,108.25 × 48,247.74
  4. Step 4: Simplify right side
    107,369.82x = 7,773,108,957.86
  5. Step 5: Solve for x
    x = 7,773,108,957.86/107,369.82
  6. Step 6: Final answer
    x = 72,395.66

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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.