Home / 57,108.16-85,693.02-27,115.48

Finding the Fourth Proportional to 57,108.16, 85,693.02 and 27,115.48

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Solution

The fourth proportional to 57,108.16, 85,693.02 and 27,115.48 is: 40,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,108.16 : 85,693.02 = 27,115.48 : x
  2. Step 2: Convert to fraction form
    57,108.16/85,693.02 = 27,115.48/x
  3. Step 3: Cross multiply
    57,108.16x = 85,693.02 × 27,115.48
  4. Step 4: Simplify right side
    57,108.16x = 2,323,607,369.95
  5. Step 5: Solve for x
    x = 2,323,607,369.95/57,108.16
  6. Step 6: Final answer
    x = 40,687.83

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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.