Home / 82,437.96-123,570.60-38,093.80

Finding the Fourth Proportional to 82,437.96, 123,570.60 and 38,093.80

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Solution

The fourth proportional to 82,437.96, 123,570.60 and 38,093.80 is: 57,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,437.96 : 123,570.60 = 38,093.80 : x
  2. Step 2: Convert to fraction form
    82,437.96/123,570.60 = 38,093.80/x
  3. Step 3: Cross multiply
    82,437.96x = 123,570.60 × 38,093.80
  4. Step 4: Simplify right side
    82,437.96x = 4,707,273,722.28
  5. Step 5: Solve for x
    x = 4,707,273,722.28/82,437.96
  6. Step 6: Final answer
    x = 57,100.80

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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.