Home / 57,061.56-85,629.06-30,784.44

Finding the Fourth Proportional to 57,061.56, 85,629.06 and 30,784.44

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Solution

The fourth proportional to 57,061.56, 85,629.06 and 30,784.44 is: 46,196.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,061.56 : 85,629.06 = 30,784.44 : x
  2. Step 2: Convert to fraction form
    57,061.56/85,629.06 = 30,784.44/x
  3. Step 3: Cross multiply
    57,061.56x = 85,629.06 × 30,784.44
  4. Step 4: Simplify right side
    57,061.56x = 2,636,042,659.83
  5. Step 5: Solve for x
    x = 2,636,042,659.83/57,061.56
  6. Step 6: Final answer
    x = 46,196.47

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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.