Home / 74,279.43-111,457.44-49,336.74

Finding the Fourth Proportional to 74,279.43, 111,457.44 and 49,336.74

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Solution

The fourth proportional to 74,279.43, 111,457.44 and 49,336.74 is: 74,030.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,279.43 : 111,457.44 = 49,336.74 : x
  2. Step 2: Convert to fraction form
    74,279.43/111,457.44 = 49,336.74/x
  3. Step 3: Cross multiply
    74,279.43x = 111,457.44 × 49,336.74
  4. Step 4: Simplify right side
    74,279.43x = 5,498,946,738.35
  5. Step 5: Solve for x
    x = 5,498,946,738.35/74,279.43
  6. Step 6: Final answer
    x = 74,030.55

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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.