Home / 89,208.98-123,097.08-48,912.14

Finding the Fourth Proportional to 89,208.98, 123,097.08 and 48,912.14

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Solution

The fourth proportional to 89,208.98, 123,097.08 and 48,912.14 is: 67,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,208.98 : 123,097.08 = 48,912.14 : x
  2. Step 2: Convert to fraction form
    89,208.98/123,097.08 = 48,912.14/x
  3. Step 3: Cross multiply
    89,208.98x = 123,097.08 × 48,912.14
  4. Step 4: Simplify right side
    89,208.98x = 6,020,942,101.71
  5. Step 5: Solve for x
    x = 6,020,942,101.71/89,208.98
  6. Step 6: Final answer
    x = 67,492.55

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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.