Home / 82,785.02-114,245.76-58,629.20

Finding the Fourth Proportional to 82,785.02, 114,245.76 and 58,629.20

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Solution

The fourth proportional to 82,785.02, 114,245.76 and 58,629.20 is: 80,910.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,785.02 : 114,245.76 = 58,629.20 : x
  2. Step 2: Convert to fraction form
    82,785.02/114,245.76 = 58,629.20/x
  3. Step 3: Cross multiply
    82,785.02x = 114,245.76 × 58,629.20
  4. Step 4: Simplify right side
    82,785.02x = 6,698,136,940.96
  5. Step 5: Solve for x
    x = 6,698,136,940.96/82,785.02
  6. Step 6: Final answer
    x = 80,910.02

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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.