Home / 82,999.99-124,531.44-49,743.92

Finding the Fourth Proportional to 82,999.99, 124,531.44 and 49,743.92

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Solution

The fourth proportional to 82,999.99, 124,531.44 and 49,743.92 is: 74,634.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,999.99 : 124,531.44 = 49,743.92 : x
  2. Step 2: Convert to fraction form
    82,999.99/124,531.44 = 49,743.92/x
  3. Step 3: Cross multiply
    82,999.99x = 124,531.44 × 49,743.92
  4. Step 4: Simplify right side
    82,999.99x = 6,194,681,988.84
  5. Step 5: Solve for x
    x = 6,194,681,988.84/82,999.99
  6. Step 6: Final answer
    x = 74,634.73

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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.