Home / 66,033.46-91,125.30-37,738.54

Finding the Fourth Proportional to 66,033.46, 91,125.30 and 37,738.54

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Solution

The fourth proportional to 66,033.46, 91,125.30 and 37,738.54 is: 52,078.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,033.46 : 91,125.30 = 37,738.54 : x
  2. Step 2: Convert to fraction form
    66,033.46/91,125.30 = 37,738.54/x
  3. Step 3: Cross multiply
    66,033.46x = 91,125.30 × 37,738.54
  4. Step 4: Simplify right side
    66,033.46x = 3,438,935,779.06
  5. Step 5: Solve for x
    x = 3,438,935,779.06/66,033.46
  6. Step 6: Final answer
    x = 52,078.69

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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.