Home / 116,731.92-161,052.60-69,001.32

Finding the Fourth Proportional to 116,731.92, 161,052.60 and 69,001.32

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Solution

The fourth proportional to 116,731.92, 161,052.60 and 69,001.32 is: 95,199.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,731.92 : 161,052.60 = 69,001.32 : x
  2. Step 2: Convert to fraction form
    116,731.92/161,052.60 = 69,001.32/x
  3. Step 3: Cross multiply
    116,731.92x = 161,052.60 × 69,001.32
  4. Step 4: Simplify right side
    116,731.92x = 11,112,841,989.43
  5. Step 5: Solve for x
    x = 11,112,841,989.43/116,731.92
  6. Step 6: Final answer
    x = 95,199.68

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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.