Home / 85,057.68-117,374.60-49,245.14

Finding the Fourth Proportional to 85,057.68, 117,374.60 and 49,245.14

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Solution

The fourth proportional to 85,057.68, 117,374.60 and 49,245.14 is: 67,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,057.68 : 117,374.60 = 49,245.14 : x
  2. Step 2: Convert to fraction form
    85,057.68/117,374.60 = 49,245.14/x
  3. Step 3: Cross multiply
    85,057.68x = 117,374.60 × 49,245.14
  4. Step 4: Simplify right side
    85,057.68x = 5,780,128,609.44
  5. Step 5: Solve for x
    x = 5,780,128,609.44/85,057.68
  6. Step 6: Final answer
    x = 67,955.40

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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.