Home / 66,516.45-91,792.86-37,835.46

Finding the Fourth Proportional to 66,516.45, 91,792.86 and 37,835.46

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Solution

The fourth proportional to 66,516.45, 91,792.86 and 37,835.46 is: 52,213.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,516.45 : 91,792.86 = 37,835.46 : x
  2. Step 2: Convert to fraction form
    66,516.45/91,792.86 = 37,835.46/x
  3. Step 3: Cross multiply
    66,516.45x = 91,792.86 × 37,835.46
  4. Step 4: Simplify right side
    66,516.45x = 3,473,025,082.82
  5. Step 5: Solve for x
    x = 3,473,025,082.82/66,516.45
  6. Step 6: Final answer
    x = 52,213.03

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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.