Home / 108,263.76-162,428.44-49,083.54

Finding the Fourth Proportional to 108,263.76, 162,428.44 and 49,083.54

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Solution

The fourth proportional to 108,263.76, 162,428.44 and 49,083.54 is: 73,640.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,263.76 : 162,428.44 = 49,083.54 : x
  2. Step 2: Convert to fraction form
    108,263.76/162,428.44 = 49,083.54/x
  3. Step 3: Cross multiply
    108,263.76x = 162,428.44 × 49,083.54
  4. Step 4: Simplify right side
    108,263.76x = 7,972,562,831.88
  5. Step 5: Solve for x
    x = 7,972,562,831.88/108,263.76
  6. Step 6: Final answer
    x = 73,640.18

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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.