Home / 56,975.85-78,610.67-32,775.55

Finding the Fourth Proportional to 56,975.85, 78,610.67 and 32,775.55

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Solution

The fourth proportional to 56,975.85, 78,610.67 and 32,775.55 is: 45,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,975.85 : 78,610.67 = 32,775.55 : x
  2. Step 2: Convert to fraction form
    56,975.85/78,610.67 = 32,775.55/x
  3. Step 3: Cross multiply
    56,975.85x = 78,610.67 × 32,775.55
  4. Step 4: Simplify right side
    56,975.85x = 2,576,507,707.62
  5. Step 5: Solve for x
    x = 2,576,507,707.62/56,975.85
  6. Step 6: Final answer
    x = 45,221.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.