Home / 82,541.54-123,738.86-35,768.90

Finding the Fourth Proportional to 82,541.54, 123,738.86 and 35,768.90

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Solution

The fourth proportional to 82,541.54, 123,738.86 and 35,768.90 is: 53,621.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,541.54 : 123,738.86 = 35,768.90 : x
  2. Step 2: Convert to fraction form
    82,541.54/123,738.86 = 35,768.90/x
  3. Step 3: Cross multiply
    82,541.54x = 123,738.86 × 35,768.90
  4. Step 4: Simplify right side
    82,541.54x = 4,426,002,909.45
  5. Step 5: Solve for x
    x = 4,426,002,909.45/82,541.54
  6. Step 6: Final answer
    x = 53,621.52

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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.