Home / 123,081.06-169,852.02-66,492.44

Finding the Fourth Proportional to 123,081.06, 169,852.02 and 66,492.44

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Solution

The fourth proportional to 123,081.06, 169,852.02 and 66,492.44 is: 91,759.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,081.06 : 169,852.02 = 66,492.44 : x
  2. Step 2: Convert to fraction form
    123,081.06/169,852.02 = 66,492.44/x
  3. Step 3: Cross multiply
    123,081.06x = 169,852.02 × 66,492.44
  4. Step 4: Simplify right side
    123,081.06x = 11,293,875,248.73
  5. Step 5: Solve for x
    x = 11,293,875,248.73/123,081.06
  6. Step 6: Final answer
    x = 91,759.65

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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.