Home / 66,621.22-91,937.37-36,813.22

Finding the Fourth Proportional to 66,621.22, 91,937.37 and 36,813.22

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Solution

The fourth proportional to 66,621.22, 91,937.37 and 36,813.22 is: 50,802.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,621.22 : 91,937.37 = 36,813.22 : x
  2. Step 2: Convert to fraction form
    66,621.22/91,937.37 = 36,813.22/x
  3. Step 3: Cross multiply
    66,621.22x = 91,937.37 × 36,813.22
  4. Step 4: Simplify right side
    66,621.22x = 3,384,510,628.03
  5. Step 5: Solve for x
    x = 3,384,510,628.03/66,621.22
  6. Step 6: Final answer
    x = 50,802.29

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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.