Home / 74,449.53-102,740.94-40,458.15

Finding the Fourth Proportional to 74,449.53, 102,740.94 and 40,458.15

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Solution

The fourth proportional to 74,449.53, 102,740.94 and 40,458.15 is: 55,832.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,449.53 : 102,740.94 = 40,458.15 : x
  2. Step 2: Convert to fraction form
    74,449.53/102,740.94 = 40,458.15/x
  3. Step 3: Cross multiply
    74,449.53x = 102,740.94 × 40,458.15
  4. Step 4: Simplify right side
    74,449.53x = 4,156,708,361.66
  5. Step 5: Solve for x
    x = 4,156,708,361.66/74,449.53
  6. Step 6: Final answer
    x = 55,832.57

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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.