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Finding the Fourth Proportional to 66,963.96, 92,411.41 and 36,752.09

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Solution

The fourth proportional to 66,963.96, 92,411.41 and 36,752.09 is: 50,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,963.96 : 92,411.41 = 36,752.09 : x
  2. Step 2: Convert to fraction form
    66,963.96/92,411.41 = 36,752.09/x
  3. Step 3: Cross multiply
    66,963.96x = 92,411.41 × 36,752.09
  4. Step 4: Simplify right side
    66,963.96x = 3,396,312,596.50
  5. Step 5: Solve for x
    x = 3,396,312,596.50/66,963.96
  6. Step 6: Final answer
    x = 50,718.51

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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.