Home / 123,134.65-169,925.82-66,546.02

Finding the Fourth Proportional to 123,134.65, 169,925.82 and 66,546.02

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Solution

The fourth proportional to 123,134.65, 169,925.82 and 66,546.02 is: 91,833.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,134.65 : 169,925.82 = 66,546.02 : x
  2. Step 2: Convert to fraction form
    123,134.65/169,925.82 = 66,546.02/x
  3. Step 3: Cross multiply
    123,134.65x = 169,925.82 × 66,546.02
  4. Step 4: Simplify right side
    123,134.65x = 11,307,887,016.24
  5. Step 5: Solve for x
    x = 11,307,887,016.24/123,134.65
  6. Step 6: Final answer
    x = 91,833.51

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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.