Home / 123,068.06-184,935.61-66,949.64

Finding the Fourth Proportional to 123,068.06, 184,935.61 and 66,949.64

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Solution

The fourth proportional to 123,068.06, 184,935.61 and 66,949.64 is: 100,605.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,068.06 : 184,935.61 = 66,949.64 : x
  2. Step 2: Convert to fraction form
    123,068.06/184,935.61 = 66,949.64/x
  3. Step 3: Cross multiply
    123,068.06x = 184,935.61 × 66,949.64
  4. Step 4: Simplify right side
    123,068.06x = 12,381,371,988.61
  5. Step 5: Solve for x
    x = 12,381,371,988.61/123,068.06
  6. Step 6: Final answer
    x = 100,605.89

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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.