Home / 84,643.22-116,770.06-54,422.94

Finding the Fourth Proportional to 84,643.22, 116,770.06 and 54,422.94

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Solution

The fourth proportional to 84,643.22, 116,770.06 and 54,422.94 is: 75,079.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,643.22 : 116,770.06 = 54,422.94 : x
  2. Step 2: Convert to fraction form
    84,643.22/116,770.06 = 54,422.94/x
  3. Step 3: Cross multiply
    84,643.22x = 116,770.06 × 54,422.94
  4. Step 4: Simplify right side
    84,643.22x = 6,354,969,969.18
  5. Step 5: Solve for x
    x = 6,354,969,969.18/84,643.22
  6. Step 6: Final answer
    x = 75,079.49

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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.