Home / 123,076.08-169,842.63-69,360.03

Finding the Fourth Proportional to 123,076.08, 169,842.63 and 69,360.03

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Solution

The fourth proportional to 123,076.08, 169,842.63 and 69,360.03 is: 95,715.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,076.08 : 169,842.63 = 69,360.03 : x
  2. Step 2: Convert to fraction form
    123,076.08/169,842.63 = 69,360.03/x
  3. Step 3: Cross multiply
    123,076.08x = 169,842.63 × 69,360.03
  4. Step 4: Simplify right side
    123,076.08x = 11,780,289,912.08
  5. Step 5: Solve for x
    x = 11,780,289,912.08/123,076.08
  6. Step 6: Final answer
    x = 95,715.51

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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.