Home / 74,287.94-102,516.08-40,753.22

Finding the Fourth Proportional to 74,287.94, 102,516.08 and 40,753.22

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Solution

The fourth proportional to 74,287.94, 102,516.08 and 40,753.22 is: 56,238.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,287.94 : 102,516.08 = 40,753.22 : x
  2. Step 2: Convert to fraction form
    74,287.94/102,516.08 = 40,753.22/x
  3. Step 3: Cross multiply
    74,287.94x = 102,516.08 × 40,753.22
  4. Step 4: Simplify right side
    74,287.94x = 4,177,860,361.78
  5. Step 5: Solve for x
    x = 4,177,860,361.78/74,287.94
  6. Step 6: Final answer
    x = 56,238.74

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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.