Home / 84,934.58-127,352.66-28,755.95

Finding the Fourth Proportional to 84,934.58, 127,352.66 and 28,755.95

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Solution

The fourth proportional to 84,934.58, 127,352.66 and 28,755.95 is: 43,117.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,934.58 : 127,352.66 = 28,755.95 : x
  2. Step 2: Convert to fraction form
    84,934.58/127,352.66 = 28,755.95/x
  3. Step 3: Cross multiply
    84,934.58x = 127,352.66 × 28,755.95
  4. Step 4: Simplify right side
    84,934.58x = 3,662,145,942.78
  5. Step 5: Solve for x
    x = 3,662,145,942.78/84,934.58
  6. Step 6: Final answer
    x = 43,117.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.