Home / 82,243.22-113,390.08-67,454.64

Finding the Fourth Proportional to 82,243.22, 113,390.08 and 67,454.64

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Solution

The fourth proportional to 82,243.22, 113,390.08 and 67,454.64 is: 93,000.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,243.22 : 113,390.08 = 67,454.64 : x
  2. Step 2: Convert to fraction form
    82,243.22/113,390.08 = 67,454.64/x
  3. Step 3: Cross multiply
    82,243.22x = 113,390.08 × 67,454.64
  4. Step 4: Simplify right side
    82,243.22x = 7,648,686,857.33
  5. Step 5: Solve for x
    x = 7,648,686,857.33/82,243.22
  6. Step 6: Final answer
    x = 93,000.83

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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.