Home / 116,977.38-161,428.32-63,262.46

Finding the Fourth Proportional to 116,977.38, 161,428.32 and 63,262.46

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Solution

The fourth proportional to 116,977.38, 161,428.32 and 63,262.46 is: 87,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,977.38 : 161,428.32 = 63,262.46 : x
  2. Step 2: Convert to fraction form
    116,977.38/161,428.32 = 63,262.46/x
  3. Step 3: Cross multiply
    116,977.38x = 161,428.32 × 63,262.46
  4. Step 4: Simplify right side
    116,977.38x = 10,212,352,636.87
  5. Step 5: Solve for x
    x = 10,212,352,636.87/116,977.38
  6. Step 6: Final answer
    x = 87,301.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.