Home / 82,879.67-124,318.59-49,609.02

Finding the Fourth Proportional to 82,879.67, 124,318.59 and 49,609.02

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Solution

The fourth proportional to 82,879.67, 124,318.59 and 49,609.02 is: 74,412.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,879.67 : 124,318.59 = 49,609.02 : x
  2. Step 2: Convert to fraction form
    82,879.67/124,318.59 = 49,609.02/x
  3. Step 3: Cross multiply
    82,879.67x = 124,318.59 × 49,609.02
  4. Step 4: Simplify right side
    82,879.67x = 6,167,322,998.55
  5. Step 5: Solve for x
    x = 6,167,322,998.55/82,879.67
  6. Step 6: Final answer
    x = 74,412.98

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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.