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Finding the Fourth Proportional to 66,976.01, 92,426.31 and 36,762.60

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Solution

The fourth proportional to 66,976.01, 92,426.31 and 36,762.60 is: 50,732.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,976.01 : 92,426.31 = 36,762.60 : x
  2. Step 2: Convert to fraction form
    66,976.01/92,426.31 = 36,762.60/x
  3. Step 3: Cross multiply
    66,976.01x = 92,426.31 × 36,762.60
  4. Step 4: Simplify right side
    66,976.01x = 3,397,831,464.01
  5. Step 5: Solve for x
    x = 3,397,831,464.01/66,976.01
  6. Step 6: Final answer
    x = 50,732.07

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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.