Home / 84,963.40-127,542.30-49,922.80

Finding the Fourth Proportional to 84,963.40, 127,542.30 and 49,922.80

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Solution

The fourth proportional to 84,963.40, 127,542.30 and 49,922.80 is: 74,941.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,963.40 : 127,542.30 = 49,922.80 : x
  2. Step 2: Convert to fraction form
    84,963.40/127,542.30 = 49,922.80/x
  3. Step 3: Cross multiply
    84,963.40x = 127,542.30 × 49,922.80
  4. Step 4: Simplify right side
    84,963.40x = 6,367,268,734.44
  5. Step 5: Solve for x
    x = 6,367,268,734.44/84,963.40
  6. Step 6: Final answer
    x = 74,941.31

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1.5x scale

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.