Home / 74,617.20-102,968.42-40,625.69

Finding the Fourth Proportional to 74,617.20, 102,968.42 and 40,625.69

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Solution

The fourth proportional to 74,617.20, 102,968.42 and 40,625.69 is: 56,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,617.20 : 102,968.42 = 40,625.69 : x
  2. Step 2: Convert to fraction form
    74,617.20/102,968.42 = 40,625.69/x
  3. Step 3: Cross multiply
    74,617.20x = 102,968.42 × 40,625.69
  4. Step 4: Simplify right side
    74,617.20x = 4,183,162,392.74
  5. Step 5: Solve for x
    x = 4,183,162,392.74/74,617.20
  6. Step 6: Final answer
    x = 56,061.64

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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.