Home / 66,806.37-99,620.01-66,206.43

Finding the Fourth Proportional to 66,806.37, 99,620.01 and 66,206.43

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Solution

The fourth proportional to 66,806.37, 99,620.01 and 66,206.43 is: 98,725.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,806.37 : 99,620.01 = 66,206.43 : x
  2. Step 2: Convert to fraction form
    66,806.37/99,620.01 = 66,206.43/x
  3. Step 3: Cross multiply
    66,806.37x = 99,620.01 × 66,206.43
  4. Step 4: Simplify right side
    66,806.37x = 6,595,485,218.66
  5. Step 5: Solve for x
    x = 6,595,485,218.66/66,806.37
  6. Step 6: Final answer
    x = 98,725.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.