Home / 68,056.94-93,928.78-48,999.78

Finding the Fourth Proportional to 68,056.94, 93,928.78 and 48,999.78

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Solution

The fourth proportional to 68,056.94, 93,928.78 and 48,999.78 is: 67,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,056.94 : 93,928.78 = 48,999.78 : x
  2. Step 2: Convert to fraction form
    68,056.94/93,928.78 = 48,999.78/x
  3. Step 3: Cross multiply
    68,056.94x = 93,928.78 × 48,999.78
  4. Step 4: Simplify right side
    68,056.94x = 4,602,489,555.67
  5. Step 5: Solve for x
    x = 4,602,489,555.67/68,056.94
  6. Step 6: Final answer
    x = 67,627.04

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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.