Home / 116,837.87-161,236.06-63,122.72

Finding the Fourth Proportional to 116,837.87, 161,236.06 and 63,122.72

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Solution

The fourth proportional to 116,837.87, 161,236.06 and 63,122.72 is: 87,109.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,837.87 : 161,236.06 = 63,122.72 : x
  2. Step 2: Convert to fraction form
    116,837.87/161,236.06 = 63,122.72/x
  3. Step 3: Cross multiply
    116,837.87x = 161,236.06 × 63,122.72
  4. Step 4: Simplify right side
    116,837.87x = 10,177,658,669.28
  5. Step 5: Solve for x
    x = 10,177,658,669.28/116,837.87
  6. Step 6: Final answer
    x = 87,109.25

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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.