Home / 57,435.81-85,937.31-51,608.67

Finding the Fourth Proportional to 57,435.81, 85,937.31 and 51,608.67

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Solution

The fourth proportional to 57,435.81, 85,937.31 and 51,608.67 is: 77,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,435.81 : 85,937.31 = 51,608.67 : x
  2. Step 2: Convert to fraction form
    57,435.81/85,937.31 = 51,608.67/x
  3. Step 3: Cross multiply
    57,435.81x = 85,937.31 × 51,608.67
  4. Step 4: Simplify right side
    57,435.81x = 4,435,110,272.48
  5. Step 5: Solve for x
    x = 4,435,110,272.48/57,435.81
  6. Step 6: Final answer
    x = 77,218.56

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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.