Home / 89,930.82-124,095.68-49,641.98

Finding the Fourth Proportional to 89,930.82, 124,095.68 and 49,641.98

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Solution

The fourth proportional to 89,930.82, 124,095.68 and 49,641.98 is: 68,501.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,930.82 : 124,095.68 = 49,641.98 : x
  2. Step 2: Convert to fraction form
    89,930.82/124,095.68 = 49,641.98/x
  3. Step 3: Cross multiply
    89,930.82x = 124,095.68 × 49,641.98
  4. Step 4: Simplify right side
    89,930.82x = 6,160,355,388.75
  5. Step 5: Solve for x
    x = 6,160,355,388.75/89,930.82
  6. Step 6: Final answer
    x = 68,501.05

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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.