Home / 84,085.72-116,039.12-46,361.32

Finding the Fourth Proportional to 84,085.72, 116,039.12 and 46,361.32

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Solution

The fourth proportional to 84,085.72, 116,039.12 and 46,361.32 is: 63,979.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,085.72 : 116,039.12 = 46,361.32 : x
  2. Step 2: Convert to fraction form
    84,085.72/116,039.12 = 46,361.32/x
  3. Step 3: Cross multiply
    84,085.72x = 116,039.12 × 46,361.32
  4. Step 4: Simplify right side
    84,085.72x = 5,379,726,774.84
  5. Step 5: Solve for x
    x = 5,379,726,774.84/84,085.72
  6. Step 6: Final answer
    x = 63,979.08

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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.