Home / 57,265.18-85,905.88-22,208.38

Finding the Fourth Proportional to 57,265.18, 85,905.88 and 22,208.38

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Solution

The fourth proportional to 57,265.18, 85,905.88 and 22,208.38 is: 33,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,265.18 : 85,905.88 = 22,208.38 : x
  2. Step 2: Convert to fraction form
    57,265.18/85,905.88 = 22,208.38/x
  3. Step 3: Cross multiply
    57,265.18x = 85,905.88 × 22,208.38
  4. Step 4: Simplify right side
    57,265.18x = 1,907,830,427.27
  5. Step 5: Solve for x
    x = 1,907,830,427.27/57,265.18
  6. Step 6: Final answer
    x = 33,315.72

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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.