Home / 57,106.46-78,804.44-31,611.32

Finding the Fourth Proportional to 57,106.46, 78,804.44 and 31,611.32

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Solution

The fourth proportional to 57,106.46, 78,804.44 and 31,611.32 is: 43,622.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,106.46 : 78,804.44 = 31,611.32 : x
  2. Step 2: Convert to fraction form
    57,106.46/78,804.44 = 31,611.32/x
  3. Step 3: Cross multiply
    57,106.46x = 78,804.44 × 31,611.32
  4. Step 4: Simplify right side
    57,106.46x = 2,491,112,370.26
  5. Step 5: Solve for x
    x = 2,491,112,370.26/57,106.46
  6. Step 6: Final answer
    x = 43,622.25

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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.