Home / 82,254.81-123,421.43-44,814.05

Finding the Fourth Proportional to 82,254.81, 123,421.43 and 44,814.05

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Solution

The fourth proportional to 82,254.81, 123,421.43 and 44,814.05 is: 67,242.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,254.81 : 123,421.43 = 44,814.05 : x
  2. Step 2: Convert to fraction form
    82,254.81/123,421.43 = 44,814.05/x
  3. Step 3: Cross multiply
    82,254.81x = 123,421.43 × 44,814.05
  4. Step 4: Simplify right side
    82,254.81x = 5,531,014,135.09
  5. Step 5: Solve for x
    x = 5,531,014,135.09/82,254.81
  6. Step 6: Final answer
    x = 67,242.44

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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.