Home / 66,316.68-91,517.94-36,509.32

Finding the Fourth Proportional to 66,316.68, 91,517.94 and 36,509.32

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Solution

The fourth proportional to 66,316.68, 91,517.94 and 36,509.32 is: 50,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,316.68 : 91,517.94 = 36,509.32 : x
  2. Step 2: Convert to fraction form
    66,316.68/91,517.94 = 36,509.32/x
  3. Step 3: Cross multiply
    66,316.68x = 91,517.94 × 36,509.32
  4. Step 4: Simplify right side
    66,316.68x = 3,341,257,757.20
  5. Step 5: Solve for x
    x = 3,341,257,757.20/66,316.68
  6. Step 6: Final answer
    x = 50,383.37

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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.