Home / 74,353.34-102,604.10-40,361.06

Finding the Fourth Proportional to 74,353.34, 102,604.10 and 40,361.06

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Solution

The fourth proportional to 74,353.34, 102,604.10 and 40,361.06 is: 55,696.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,353.34 : 102,604.10 = 40,361.06 : x
  2. Step 2: Convert to fraction form
    74,353.34/102,604.10 = 40,361.06/x
  3. Step 3: Cross multiply
    74,353.34x = 102,604.10 × 40,361.06
  4. Step 4: Simplify right side
    74,353.34x = 4,141,210,236.35
  5. Step 5: Solve for x
    x = 4,141,210,236.35/74,353.34
  6. Step 6: Final answer
    x = 55,696.36

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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.