Home / 85,819.59-118,431.18-48,093.84

Finding the Fourth Proportional to 85,819.59, 118,431.18 and 48,093.84

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Solution

The fourth proportional to 85,819.59, 118,431.18 and 48,093.84 is: 66,369.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,819.59 : 118,431.18 = 48,093.84 : x
  2. Step 2: Convert to fraction form
    85,819.59/118,431.18 = 48,093.84/x
  3. Step 3: Cross multiply
    85,819.59x = 118,431.18 × 48,093.84
  4. Step 4: Simplify right side
    85,819.59x = 5,695,810,221.93
  5. Step 5: Solve for x
    x = 5,695,810,221.93/85,819.59
  6. Step 6: Final answer
    x = 66,369.58

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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.