Home / 85,059.68-117,377.36-49,247.14

Finding the Fourth Proportional to 85,059.68, 117,377.36 and 49,247.14

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Solution

The fourth proportional to 85,059.68, 117,377.36 and 49,247.14 is: 67,958.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,059.68 : 117,377.36 = 49,247.14 : x
  2. Step 2: Convert to fraction form
    85,059.68/117,377.36 = 49,247.14/x
  3. Step 3: Cross multiply
    85,059.68x = 117,377.36 × 49,247.14
  4. Step 4: Simplify right side
    85,059.68x = 5,780,499,280.75
  5. Step 5: Solve for x
    x = 5,780,499,280.75/85,059.68
  6. Step 6: Final answer
    x = 67,958.16

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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.