Home / 71,922.09-99,254.46-40,093.14

Finding the Fourth Proportional to 71,922.09, 99,254.46 and 40,093.14

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Solution

The fourth proportional to 71,922.09, 99,254.46 and 40,093.14 is: 55,329.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,922.09 : 99,254.46 = 40,093.14 : x
  2. Step 2: Convert to fraction form
    71,922.09/99,254.46 = 40,093.14/x
  3. Step 3: Cross multiply
    71,922.09x = 99,254.46 × 40,093.14
  4. Step 4: Simplify right side
    71,922.09x = 3,979,422,960.40
  5. Step 5: Solve for x
    x = 3,979,422,960.40/71,922.09
  6. Step 6: Final answer
    x = 55,329.63

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1.5x scale

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.