Home / 106,077.65-146,391.09-63,627.98

Finding the Fourth Proportional to 106,077.65, 146,391.09 and 63,627.98

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Solution

The fourth proportional to 106,077.65, 146,391.09 and 63,627.98 is: 87,808.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,077.65 : 146,391.09 = 63,627.98 : x
  2. Step 2: Convert to fraction form
    106,077.65/146,391.09 = 63,627.98/x
  3. Step 3: Cross multiply
    106,077.65x = 146,391.09 × 63,627.98
  4. Step 4: Simplify right side
    106,077.65x = 9,314,568,614.74
  5. Step 5: Solve for x
    x = 9,314,568,614.74/106,077.65
  6. Step 6: Final answer
    x = 87,808.97

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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.