Home / 66,936.06-92,467.89-53,489.70

Finding the Fourth Proportional to 66,936.06, 92,467.89 and 53,489.70

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Solution

The fourth proportional to 66,936.06, 92,467.89 and 53,489.70 is: 73,892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,936.06 : 92,467.89 = 53,489.70 : x
  2. Step 2: Convert to fraction form
    66,936.06/92,467.89 = 53,489.70/x
  3. Step 3: Cross multiply
    66,936.06x = 92,467.89 × 53,489.70
  4. Step 4: Simplify right side
    66,936.06x = 4,946,079,695.73
  5. Step 5: Solve for x
    x = 4,946,079,695.73/66,936.06
  6. Step 6: Final answer
    x = 73,892.60

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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.