Home / 84,404.40-116,394.48-54,185.04

Finding the Fourth Proportional to 84,404.40, 116,394.48 and 54,185.04

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Solution

The fourth proportional to 84,404.40, 116,394.48 and 54,185.04 is: 74,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,404.40 : 116,394.48 = 54,185.04 : x
  2. Step 2: Convert to fraction form
    84,404.40/116,394.48 = 54,185.04/x
  3. Step 3: Cross multiply
    84,404.40x = 116,394.48 × 54,185.04
  4. Step 4: Simplify right side
    84,404.40x = 6,306,839,554.58
  5. Step 5: Solve for x
    x = 6,306,839,554.58/84,404.40
  6. Step 6: Final answer
    x = 74,721.69

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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.