Home / 66,384.02-91,548.42-48,450.62

Finding the Fourth Proportional to 66,384.02, 91,548.42 and 48,450.62

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Solution

The fourth proportional to 66,384.02, 91,548.42 and 48,450.62 is: 66,816.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,384.02 : 91,548.42 = 48,450.62 : x
  2. Step 2: Convert to fraction form
    66,384.02/91,548.42 = 48,450.62/x
  3. Step 3: Cross multiply
    66,384.02x = 91,548.42 × 48,450.62
  4. Step 4: Simplify right side
    66,384.02x = 4,435,577,709.02
  5. Step 5: Solve for x
    x = 4,435,577,709.02/66,384.02
  6. Step 6: Final answer
    x = 66,816.95

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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.