Home / 82,986.60-124,297.02-68,591.64

Finding the Fourth Proportional to 82,986.60, 124,297.02 and 68,591.64

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Solution

The fourth proportional to 82,986.60, 124,297.02 and 68,591.64 is: 102,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,986.60 : 124,297.02 = 68,591.64 : x
  2. Step 2: Convert to fraction form
    82,986.60/124,297.02 = 68,591.64/x
  3. Step 3: Cross multiply
    82,986.60x = 124,297.02 × 68,591.64
  4. Step 4: Simplify right side
    82,986.60x = 8,525,736,448.91
  5. Step 5: Solve for x
    x = 8,525,736,448.91/82,986.60
  6. Step 6: Final answer
    x = 102,736.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.