Home / 108,508.07-162,867.32-52,387.76

Finding the Fourth Proportional to 108,508.07, 162,867.32 and 52,387.76

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Solution

The fourth proportional to 108,508.07, 162,867.32 and 52,387.76 is: 78,632.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,508.07 : 162,867.32 = 52,387.76 : x
  2. Step 2: Convert to fraction form
    108,508.07/162,867.32 = 52,387.76/x
  3. Step 3: Cross multiply
    108,508.07x = 162,867.32 × 52,387.76
  4. Step 4: Simplify right side
    108,508.07x = 8,532,254,413.69
  5. Step 5: Solve for x
    x = 8,532,254,413.69/108,508.07
  6. Step 6: Final answer
    x = 78,632.44

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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.