Home / 66,072.88-91,158.24-37,758.40

Finding the Fourth Proportional to 66,072.88, 91,158.24 and 37,758.40

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Solution

The fourth proportional to 66,072.88, 91,158.24 and 37,758.40 is: 52,093.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,072.88 : 91,158.24 = 37,758.40 : x
  2. Step 2: Convert to fraction form
    66,072.88/91,158.24 = 37,758.40/x
  3. Step 3: Cross multiply
    66,072.88x = 91,158.24 × 37,758.40
  4. Step 4: Simplify right side
    66,072.88x = 3,441,989,289.22
  5. Step 5: Solve for x
    x = 3,441,989,289.22/66,072.88
  6. Step 6: Final answer
    x = 52,093.83

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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.