Home / 66,256.92-91,433.80-49,336.84

Finding the Fourth Proportional to 66,256.92, 91,433.80 and 49,336.84

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Solution

The fourth proportional to 66,256.92, 91,433.80 and 49,336.84 is: 68,084.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,256.92 : 91,433.80 = 49,336.84 : x
  2. Step 2: Convert to fraction form
    66,256.92/91,433.80 = 49,336.84/x
  3. Step 3: Cross multiply
    66,256.92x = 91,433.80 × 49,336.84
  4. Step 4: Simplify right side
    66,256.92x = 4,511,054,761.19
  5. Step 5: Solve for x
    x = 4,511,054,761.19/66,256.92
  6. Step 6: Final answer
    x = 68,084.28

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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.