Home / 110,940.13-166,409.79-51,742.90

Finding the Fourth Proportional to 110,940.13, 166,409.79 and 51,742.90

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Solution

The fourth proportional to 110,940.13, 166,409.79 and 51,742.90 is: 77,614.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,940.13 : 166,409.79 = 51,742.90 : x
  2. Step 2: Convert to fraction form
    110,940.13/166,409.79 = 51,742.90/x
  3. Step 3: Cross multiply
    110,940.13x = 166,409.79 × 51,742.90
  4. Step 4: Simplify right side
    110,940.13x = 8,610,525,122.99
  5. Step 5: Solve for x
    x = 8,610,525,122.99/110,940.13
  6. Step 6: Final answer
    x = 77,614.16

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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.