Home / 85,336.38-117,763.36-47,096.28

Finding the Fourth Proportional to 85,336.38, 117,763.36 and 47,096.28

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Solution

The fourth proportional to 85,336.38, 117,763.36 and 47,096.28 is: 64,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,336.38 : 117,763.36 = 47,096.28 : x
  2. Step 2: Convert to fraction form
    85,336.38/117,763.36 = 47,096.28/x
  3. Step 3: Cross multiply
    85,336.38x = 117,763.36 × 47,096.28
  4. Step 4: Simplify right side
    85,336.38x = 5,546,216,176.30
  5. Step 5: Solve for x
    x = 5,546,216,176.30/85,336.38
  6. Step 6: Final answer
    x = 64,992.40

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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.