Home / 57,115.14-85,623.49-22,079.40

Finding the Fourth Proportional to 57,115.14, 85,623.49 and 22,079.40

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Solution

The fourth proportional to 57,115.14, 85,623.49 and 22,079.40 is: 33,100.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,115.14 : 85,623.49 = 22,079.40 : x
  2. Step 2: Convert to fraction form
    57,115.14/85,623.49 = 22,079.40/x
  3. Step 3: Cross multiply
    57,115.14x = 85,623.49 × 22,079.40
  4. Step 4: Simplify right side
    57,115.14x = 1,890,515,285.11
  5. Step 5: Solve for x
    x = 1,890,515,285.11/57,115.14
  6. Step 6: Final answer
    x = 33,100.07

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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.