Home / 74,366.12-102,625.38-40,374.60

Finding the Fourth Proportional to 74,366.12, 102,625.38 and 40,374.60

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Solution

The fourth proportional to 74,366.12, 102,625.38 and 40,374.60 is: 55,717.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,366.12 : 102,625.38 = 40,374.60 : x
  2. Step 2: Convert to fraction form
    74,366.12/102,625.38 = 40,374.60/x
  3. Step 3: Cross multiply
    74,366.12x = 102,625.38 × 40,374.60
  4. Step 4: Simplify right side
    74,366.12x = 4,143,458,667.35
  5. Step 5: Solve for x
    x = 4,143,458,667.35/74,366.12
  6. Step 6: Final answer
    x = 55,717.02

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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.