Home / 74,696.06-103,079.62-40,706.04

Finding the Fourth Proportional to 74,696.06, 103,079.62 and 40,706.04

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Solution

The fourth proportional to 74,696.06, 103,079.62 and 40,706.04 is: 56,173.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,696.06 : 103,079.62 = 40,706.04 : x
  2. Step 2: Convert to fraction form
    74,696.06/103,079.62 = 40,706.04/x
  3. Step 3: Cross multiply
    74,696.06x = 103,079.62 × 40,706.04
  4. Step 4: Simplify right side
    74,696.06x = 4,195,963,134.90
  5. Step 5: Solve for x
    x = 4,195,963,134.90/74,696.06
  6. Step 6: Final answer
    x = 56,173.82

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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.