Home / 66,476.04-91,732.20-37,408.64

Finding the Fourth Proportional to 66,476.04, 91,732.20 and 37,408.64

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Solution

The fourth proportional to 66,476.04, 91,732.20 and 37,408.64 is: 51,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,476.04 : 91,732.20 = 37,408.64 : x
  2. Step 2: Convert to fraction form
    66,476.04/91,732.20 = 37,408.64/x
  3. Step 3: Cross multiply
    66,476.04x = 91,732.20 × 37,408.64
  4. Step 4: Simplify right side
    66,476.04x = 3,431,576,846.21
  5. Step 5: Solve for x
    x = 3,431,576,846.21/66,476.04
  6. Step 6: Final answer
    x = 51,621.26

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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.