Home / 79,282.56-109,352.64-67,327.04

Finding the Fourth Proportional to 79,282.56, 109,352.64 and 67,327.04

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Solution

The fourth proportional to 79,282.56, 109,352.64 and 67,327.04 is: 92,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,282.56 : 109,352.64 = 67,327.04 : x
  2. Step 2: Convert to fraction form
    79,282.56/109,352.64 = 67,327.04/x
  3. Step 3: Cross multiply
    79,282.56x = 109,352.64 × 67,327.04
  4. Step 4: Simplify right side
    79,282.56x = 7,362,389,567.39
  5. Step 5: Solve for x
    x = 7,362,389,567.39/79,282.56
  6. Step 6: Final answer
    x = 92,862.66

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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.