Home / 89,645.22-123,705.77-49,351.19

Finding the Fourth Proportional to 89,645.22, 123,705.77 and 49,351.19

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Solution

The fourth proportional to 89,645.22, 123,705.77 and 49,351.19 is: 68,102.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,645.22 : 123,705.77 = 49,351.19 : x
  2. Step 2: Convert to fraction form
    89,645.22/123,705.77 = 49,351.19/x
  3. Step 3: Cross multiply
    89,645.22x = 123,705.77 × 49,351.19
  4. Step 4: Simplify right side
    89,645.22x = 6,105,026,094.08
  5. Step 5: Solve for x
    x = 6,105,026,094.08/89,645.22
  6. Step 6: Final answer
    x = 68,102.08

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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.