Home / 89,922.12-124,091.82-49,635.87

Finding the Fourth Proportional to 89,922.12, 124,091.82 and 49,635.87

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Solution

The fourth proportional to 89,922.12, 124,091.82 and 49,635.87 is: 68,497.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,922.12 : 124,091.82 = 49,635.87 : x
  2. Step 2: Convert to fraction form
    89,922.12/124,091.82 = 49,635.87/x
  3. Step 3: Cross multiply
    89,922.12x = 124,091.82 × 49,635.87
  4. Step 4: Simplify right side
    89,922.12x = 6,159,404,980.24
  5. Step 5: Solve for x
    x = 6,159,404,980.24/89,922.12
  6. Step 6: Final answer
    x = 68,497.11

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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.