Home / 74,726-103,121.88-41,192.72

Finding the Fourth Proportional to 74,726, 103,121.88 and 41,192.72

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Solution

The fourth proportional to 74,726, 103,121.88 and 41,192.72 is: 56,845.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,726 : 103,121.88 = 41,192.72 : x
  2. Step 2: Convert to fraction form
    74,726/103,121.88 = 41,192.72/x
  3. Step 3: Cross multiply
    74,726x = 103,121.88 × 41,192.72
  4. Step 4: Simplify right side
    74,726x = 4,247,870,728.71
  5. Step 5: Solve for x
    x = 4,247,870,728.71/74,726
  6. Step 6: Final answer
    x = 56,845.95

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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.