Home / 108,004.86-161,988.62-48,826.78

Finding the Fourth Proportional to 108,004.86, 161,988.62 and 48,826.78

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Solution

The fourth proportional to 108,004.86, 161,988.62 and 48,826.78 is: 73,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,004.86 : 161,988.62 = 48,826.78 : x
  2. Step 2: Convert to fraction form
    108,004.86/161,988.62 = 48,826.78/x
  3. Step 3: Cross multiply
    108,004.86x = 161,988.62 × 48,826.78
  4. Step 4: Simplify right side
    108,004.86x = 7,909,382,711.24
  5. Step 5: Solve for x
    x = 7,909,382,711.24/108,004.86
  6. Step 6: Final answer
    x = 73,231.73

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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.