Home / 74,366.51-102,625.04-40,375.31

Finding the Fourth Proportional to 74,366.51, 102,625.04 and 40,375.31

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Solution

The fourth proportional to 74,366.51, 102,625.04 and 40,375.31 is: 55,717.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,366.51 : 102,625.04 = 40,375.31 : x
  2. Step 2: Convert to fraction form
    74,366.51/102,625.04 = 40,375.31/x
  3. Step 3: Cross multiply
    74,366.51x = 102,625.04 × 40,375.31
  4. Step 4: Simplify right side
    74,366.51x = 4,143,517,391.58
  5. Step 5: Solve for x
    x = 4,143,517,391.58/74,366.51
  6. Step 6: Final answer
    x = 55,717.52

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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.