Home / 82,409.78-113,725.14-44,684.04

Finding the Fourth Proportional to 82,409.78, 113,725.14 and 44,684.04

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Solution

The fourth proportional to 82,409.78, 113,725.14 and 44,684.04 is: 61,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,409.78 : 113,725.14 = 44,684.04 : x
  2. Step 2: Convert to fraction form
    82,409.78/113,725.14 = 44,684.04/x
  3. Step 3: Cross multiply
    82,409.78x = 113,725.14 × 44,684.04
  4. Step 4: Simplify right side
    82,409.78x = 5,081,698,704.77
  5. Step 5: Solve for x
    x = 5,081,698,704.77/82,409.78
  6. Step 6: Final answer
    x = 61,663.78

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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.