Home / 66,191.36-99,286.92-28,746.56

Finding the Fourth Proportional to 66,191.36, 99,286.92 and 28,746.56

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Solution

The fourth proportional to 66,191.36, 99,286.92 and 28,746.56 is: 43,119.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,191.36 : 99,286.92 = 28,746.56 : x
  2. Step 2: Convert to fraction form
    66,191.36/99,286.92 = 28,746.56/x
  3. Step 3: Cross multiply
    66,191.36x = 99,286.92 × 28,746.56
  4. Step 4: Simplify right side
    66,191.36x = 2,854,157,403.00
  5. Step 5: Solve for x
    x = 2,854,157,403.00/66,191.36
  6. Step 6: Final answer
    x = 43,119.79

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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.