Home / 107,865.55-161,871.22-37,745.47

Finding the Fourth Proportional to 107,865.55, 161,871.22 and 37,745.47

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Solution

The fourth proportional to 107,865.55, 161,871.22 and 37,745.47 is: 56,643.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,865.55 : 161,871.22 = 37,745.47 : x
  2. Step 2: Convert to fraction form
    107,865.55/161,871.22 = 37,745.47/x
  3. Step 3: Cross multiply
    107,865.55x = 161,871.22 × 37,745.47
  4. Step 4: Simplify right side
    107,865.55x = 6,109,905,278.37
  5. Step 5: Solve for x
    x = 6,109,905,278.37/107,865.55
  6. Step 6: Final answer
    x = 56,643.71

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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.