Home / 60,912.27-84,012.39-52,428.60

Finding the Fourth Proportional to 60,912.27, 84,012.39 and 52,428.60

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Solution

The fourth proportional to 60,912.27, 84,012.39 and 52,428.60 is: 72,311.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,912.27 : 84,012.39 = 52,428.60 : x
  2. Step 2: Convert to fraction form
    60,912.27/84,012.39 = 52,428.60/x
  3. Step 3: Cross multiply
    60,912.27x = 84,012.39 × 52,428.60
  4. Step 4: Simplify right side
    60,912.27x = 4,404,651,990.35
  5. Step 5: Solve for x
    x = 4,404,651,990.35/60,912.27
  6. Step 6: Final answer
    x = 72,311.41

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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.