Home / 57,088.11-85,640.36-17,648.30

Finding the Fourth Proportional to 57,088.11, 85,640.36 and 17,648.30

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Solution

The fourth proportional to 57,088.11, 85,640.36 and 17,648.30 is: 26,474.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,088.11 : 85,640.36 = 17,648.30 : x
  2. Step 2: Convert to fraction form
    57,088.11/85,640.36 = 17,648.30/x
  3. Step 3: Cross multiply
    57,088.11x = 85,640.36 × 17,648.30
  4. Step 4: Simplify right side
    57,088.11x = 1,511,406,558.43
  5. Step 5: Solve for x
    x = 1,511,406,558.43/57,088.11
  6. Step 6: Final answer
    x = 26,474.98

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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.