Home / 89,788.35-123,905.63-49,501.17

Finding the Fourth Proportional to 89,788.35, 123,905.63 and 49,501.17

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Solution

The fourth proportional to 89,788.35, 123,905.63 and 49,501.17 is: 68,310.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,788.35 : 123,905.63 = 49,501.17 : x
  2. Step 2: Convert to fraction form
    89,788.35/123,905.63 = 49,501.17/x
  3. Step 3: Cross multiply
    89,788.35x = 123,905.63 × 49,501.17
  4. Step 4: Simplify right side
    89,788.35x = 6,133,473,407.08
  5. Step 5: Solve for x
    x = 6,133,473,407.08/89,788.35
  6. Step 6: Final answer
    x = 68,310.35

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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.