Home / 85,247.06-117,617.86-48,452.76

Finding the Fourth Proportional to 85,247.06, 117,617.86 and 48,452.76

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Solution

The fourth proportional to 85,247.06, 117,617.86 and 48,452.76 is: 66,851.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,247.06 : 117,617.86 = 48,452.76 : x
  2. Step 2: Convert to fraction form
    85,247.06/117,617.86 = 48,452.76/x
  3. Step 3: Cross multiply
    85,247.06x = 117,617.86 × 48,452.76
  4. Step 4: Simplify right side
    85,247.06x = 5,698,909,942.29
  5. Step 5: Solve for x
    x = 5,698,909,942.29/85,247.06
  6. Step 6: Final answer
    x = 66,851.69

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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.