Home / 85,652.58-118,194.19-49,836.40

Finding the Fourth Proportional to 85,652.58, 118,194.19 and 49,836.40

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Solution

The fourth proportional to 85,652.58, 118,194.19 and 49,836.40 is: 68,770.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,652.58 : 118,194.19 = 49,836.40 : x
  2. Step 2: Convert to fraction form
    85,652.58/118,194.19 = 49,836.40/x
  3. Step 3: Cross multiply
    85,652.58x = 118,194.19 × 49,836.40
  4. Step 4: Simplify right side
    85,652.58x = 5,890,372,930.52
  5. Step 5: Solve for x
    x = 5,890,372,930.52/85,652.58
  6. Step 6: Final answer
    x = 68,770.53

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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.