Home / 66,109.56-99,183.78-26,646.36

Finding the Fourth Proportional to 66,109.56, 99,183.78 and 26,646.36

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Solution

The fourth proportional to 66,109.56, 99,183.78 and 26,646.36 is: 39,977.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,109.56 : 99,183.78 = 26,646.36 : x
  2. Step 2: Convert to fraction form
    66,109.56/99,183.78 = 26,646.36/x
  3. Step 3: Cross multiply
    66,109.56x = 99,183.78 × 26,646.36
  4. Step 4: Simplify right side
    66,109.56x = 2,642,886,708.04
  5. Step 5: Solve for x
    x = 2,642,886,708.04/66,109.56
  6. Step 6: Final answer
    x = 39,977.38

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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.