Home / 84,835.08-117,101.16-49,039.56

Finding the Fourth Proportional to 84,835.08, 117,101.16 and 49,039.56

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Solution

The fourth proportional to 84,835.08, 117,101.16 and 49,039.56 is: 67,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,835.08 : 117,101.16 = 49,039.56 : x
  2. Step 2: Convert to fraction form
    84,835.08/117,101.16 = 49,039.56/x
  3. Step 3: Cross multiply
    84,835.08x = 117,101.16 × 49,039.56
  4. Step 4: Simplify right side
    84,835.08x = 5,742,589,361.89
  5. Step 5: Solve for x
    x = 5,742,589,361.89/84,835.08
  6. Step 6: Final answer
    x = 67,691.21

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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.