Home / 82,884.42-124,327.49-66,349.56

Finding the Fourth Proportional to 82,884.42, 124,327.49 and 66,349.56

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Solution

The fourth proportional to 82,884.42, 124,327.49 and 66,349.56 is: 99,525.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,884.42 : 124,327.49 = 66,349.56 : x
  2. Step 2: Convert to fraction form
    82,884.42/124,327.49 = 66,349.56/x
  3. Step 3: Cross multiply
    82,884.42x = 124,327.49 × 66,349.56
  4. Step 4: Simplify right side
    82,884.42x = 8,249,074,257.40
  5. Step 5: Solve for x
    x = 8,249,074,257.40/82,884.42
  6. Step 6: Final answer
    x = 99,525.03

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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.