Home / 57,270.44-85,908.36-47,256.61

Finding the Fourth Proportional to 57,270.44, 85,908.36 and 47,256.61

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Solution

The fourth proportional to 57,270.44, 85,908.36 and 47,256.61 is: 70,887.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,270.44 : 85,908.36 = 47,256.61 : x
  2. Step 2: Convert to fraction form
    57,270.44/85,908.36 = 47,256.61/x
  3. Step 3: Cross multiply
    57,270.44x = 85,908.36 × 47,256.61
  4. Step 4: Simplify right side
    57,270.44x = 4,059,737,864.26
  5. Step 5: Solve for x
    x = 4,059,737,864.26/57,270.44
  6. Step 6: Final answer
    x = 70,887.14

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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.