Home / 57,312.64-85,968.66-31,183.48

Finding the Fourth Proportional to 57,312.64, 85,968.66 and 31,183.48

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Solution

The fourth proportional to 57,312.64, 85,968.66 and 31,183.48 is: 46,775.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,312.64 : 85,968.66 = 31,183.48 : x
  2. Step 2: Convert to fraction form
    57,312.64/85,968.66 = 31,183.48/x
  3. Step 3: Cross multiply
    57,312.64x = 85,968.66 × 31,183.48
  4. Step 4: Simplify right side
    57,312.64x = 2,680,801,989.74
  5. Step 5: Solve for x
    x = 2,680,801,989.74/57,312.64
  6. Step 6: Final answer
    x = 46,775.06

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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.