Home / 74,939.24-103,370.91-49,436.55

Finding the Fourth Proportional to 74,939.24, 103,370.91 and 49,436.55

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Solution

The fourth proportional to 74,939.24, 103,370.91 and 49,436.55 is: 68,192.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,939.24 : 103,370.91 = 49,436.55 : x
  2. Step 2: Convert to fraction form
    74,939.24/103,370.91 = 49,436.55/x
  3. Step 3: Cross multiply
    74,939.24x = 103,370.91 × 49,436.55
  4. Step 4: Simplify right side
    74,939.24x = 5,110,301,160.76
  5. Step 5: Solve for x
    x = 5,110,301,160.76/74,939.24
  6. Step 6: Final answer
    x = 68,192.59

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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.