Home / 84,312.58-116,375.62-55,653.16

Finding the Fourth Proportional to 84,312.58, 116,375.62 and 55,653.16

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Solution

The fourth proportional to 84,312.58, 116,375.62 and 55,653.16 is: 76,817.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,312.58 : 116,375.62 = 55,653.16 : x
  2. Step 2: Convert to fraction form
    84,312.58/116,375.62 = 55,653.16/x
  3. Step 3: Cross multiply
    84,312.58x = 116,375.62 × 55,653.16
  4. Step 4: Simplify right side
    84,312.58x = 6,476,670,999.96
  5. Step 5: Solve for x
    x = 6,476,670,999.96/84,312.58
  6. Step 6: Final answer
    x = 76,817.37

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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.