Home / 82,379.09-113,688.05-46,572.44

Finding the Fourth Proportional to 82,379.09, 113,688.05 and 46,572.44

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Solution

The fourth proportional to 82,379.09, 113,688.05 and 46,572.44 is: 64,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,379.09 : 113,688.05 = 46,572.44 : x
  2. Step 2: Convert to fraction form
    82,379.09/113,688.05 = 46,572.44/x
  3. Step 3: Cross multiply
    82,379.09x = 113,688.05 × 46,572.44
  4. Step 4: Simplify right side
    82,379.09x = 5,294,729,086.04
  5. Step 5: Solve for x
    x = 5,294,729,086.04/82,379.09
  6. Step 6: Final answer
    x = 64,272.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.