Home / 74,361.11-102,580.32-47,475.37

Finding the Fourth Proportional to 74,361.11, 102,580.32 and 47,475.37

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Solution

The fourth proportional to 74,361.11, 102,580.32 and 47,475.37 is: 65,491.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,361.11 : 102,580.32 = 47,475.37 : x
  2. Step 2: Convert to fraction form
    74,361.11/102,580.32 = 47,475.37/x
  3. Step 3: Cross multiply
    74,361.11x = 102,580.32 × 47,475.37
  4. Step 4: Simplify right side
    74,361.11x = 4,870,038,375.96
  5. Step 5: Solve for x
    x = 4,870,038,375.96/74,361.11
  6. Step 6: Final answer
    x = 65,491.74

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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.