Home / 52,867.80-72,938.64-30,190.44

Finding the Fourth Proportional to 52,867.80, 72,938.64 and 30,190.44

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Solution

The fourth proportional to 52,867.80, 72,938.64 and 30,190.44 is: 41,652.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,867.80 : 72,938.64 = 30,190.44 : x
  2. Step 2: Convert to fraction form
    52,867.80/72,938.64 = 30,190.44/x
  3. Step 3: Cross multiply
    52,867.80x = 72,938.64 × 30,190.44
  4. Step 4: Simplify right side
    52,867.80x = 2,202,049,634.60
  5. Step 5: Solve for x
    x = 2,202,049,634.60/52,867.80
  6. Step 6: Final answer
    x = 41,652.00

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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.