Home / 66,734.72-92,100.16-36,936.32

Finding the Fourth Proportional to 66,734.72, 92,100.16 and 36,936.32

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Solution

The fourth proportional to 66,734.72, 92,100.16 and 36,936.32 is: 50,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,734.72 : 92,100.16 = 36,936.32 : x
  2. Step 2: Convert to fraction form
    66,734.72/92,100.16 = 36,936.32/x
  3. Step 3: Cross multiply
    66,734.72x = 92,100.16 × 36,936.32
  4. Step 4: Simplify right side
    66,734.72x = 3,401,840,981.81
  5. Step 5: Solve for x
    x = 3,401,840,981.81/66,734.72
  6. Step 6: Final answer
    x = 50,975.58

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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.