Home / 61,903.21-85,427.37-33,608.90

Finding the Fourth Proportional to 61,903.21, 85,427.37 and 33,608.90

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Solution

The fourth proportional to 61,903.21, 85,427.37 and 33,608.90 is: 46,380.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,903.21 : 85,427.37 = 33,608.90 : x
  2. Step 2: Convert to fraction form
    61,903.21/85,427.37 = 33,608.90/x
  3. Step 3: Cross multiply
    61,903.21x = 85,427.37 × 33,608.90
  4. Step 4: Simplify right side
    61,903.21x = 2,871,119,935.59
  5. Step 5: Solve for x
    x = 2,871,119,935.59/61,903.21
  6. Step 6: Final answer
    x = 46,380.79

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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.