Home / 82,884.10-124,327.03-66,349.25

Finding the Fourth Proportional to 82,884.10, 124,327.03 and 66,349.25

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Solution

The fourth proportional to 82,884.10, 124,327.03 and 66,349.25 is: 99,524.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,884.10 : 124,327.03 = 66,349.25 : x
  2. Step 2: Convert to fraction form
    82,884.10/124,327.03 = 66,349.25/x
  3. Step 3: Cross multiply
    82,884.10x = 124,327.03 × 66,349.25
  4. Step 4: Simplify right side
    82,884.10x = 8,249,004,241.85
  5. Step 5: Solve for x
    x = 8,249,004,241.85/82,884.10
  6. Step 6: Final answer
    x = 99,524.56

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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.