Home / 66,621.63-91,939.05-36,408.23

Finding the Fourth Proportional to 66,621.63, 91,939.05 and 36,408.23

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Solution

The fourth proportional to 66,621.63, 91,939.05 and 36,408.23 is: 50,244.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,621.63 : 91,939.05 = 36,408.23 : x
  2. Step 2: Convert to fraction form
    66,621.63/91,939.05 = 36,408.23/x
  3. Step 3: Cross multiply
    66,621.63x = 91,939.05 × 36,408.23
  4. Step 4: Simplify right side
    66,621.63x = 3,347,337,618.69
  5. Step 5: Solve for x
    x = 3,347,337,618.69/66,621.63
  6. Step 6: Final answer
    x = 50,244.01

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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.