Home / 48,755.09-73,146.56-28,782.80

Finding the Fourth Proportional to 48,755.09, 73,146.56 and 28,782.80

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Solution

The fourth proportional to 48,755.09, 73,146.56 and 28,782.80 is: 43,182.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,755.09 : 73,146.56 = 28,782.80 : x
  2. Step 2: Convert to fraction form
    48,755.09/73,146.56 = 28,782.80/x
  3. Step 3: Cross multiply
    48,755.09x = 73,146.56 × 28,782.80
  4. Step 4: Simplify right side
    48,755.09x = 2,105,362,891.40
  5. Step 5: Solve for x
    x = 2,105,362,891.40/48,755.09
  6. Step 6: Final answer
    x = 43,182.43

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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.