Home / 57,218.32-85,804.44-19,772.56

Finding the Fourth Proportional to 57,218.32, 85,804.44 and 19,772.56

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Solution

The fourth proportional to 57,218.32, 85,804.44 and 19,772.56 is: 29,650.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,218.32 : 85,804.44 = 19,772.56 : x
  2. Step 2: Convert to fraction form
    57,218.32/85,804.44 = 19,772.56/x
  3. Step 3: Cross multiply
    57,218.32x = 85,804.44 × 19,772.56
  4. Step 4: Simplify right side
    57,218.32x = 1,696,573,438.17
  5. Step 5: Solve for x
    x = 1,696,573,438.17/57,218.32
  6. Step 6: Final answer
    x = 29,650.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.