Home / 89,590.36-123,631.99-49,304.06

Finding the Fourth Proportional to 89,590.36, 123,631.99 and 49,304.06

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Solution

The fourth proportional to 89,590.36, 123,631.99 and 49,304.06 is: 68,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,590.36 : 123,631.99 = 49,304.06 : x
  2. Step 2: Convert to fraction form
    89,590.36/123,631.99 = 49,304.06/x
  3. Step 3: Cross multiply
    89,590.36x = 123,631.99 × 49,304.06
  4. Step 4: Simplify right side
    89,590.36x = 6,095,558,806.36
  5. Step 5: Solve for x
    x = 6,095,558,806.36/89,590.36
  6. Step 6: Final answer
    x = 68,038.11

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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.