Home / 45,945.65-68,976.81-39,063.89

Finding the Fourth Proportional to 45,945.65, 68,976.81 and 39,063.89

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Solution

The fourth proportional to 45,945.65, 68,976.81 and 39,063.89 is: 58,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,945.65 : 68,976.81 = 39,063.89 : x
  2. Step 2: Convert to fraction form
    45,945.65/68,976.81 = 39,063.89/x
  3. Step 3: Cross multiply
    45,945.65x = 68,976.81 × 39,063.89
  4. Step 4: Simplify right side
    45,945.65x = 2,694,502,690.83
  5. Step 5: Solve for x
    x = 2,694,502,690.83/45,945.65
  6. Step 6: Final answer
    x = 58,645.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.