Home / 83,652.45-115,667.44-82,300.40

Finding the Fourth Proportional to 83,652.45, 115,667.44 and 82,300.40

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Solution

The fourth proportional to 83,652.45, 115,667.44 and 82,300.40 is: 113,797.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,652.45 : 115,667.44 = 82,300.40 : x
  2. Step 2: Convert to fraction form
    83,652.45/115,667.44 = 82,300.40/x
  3. Step 3: Cross multiply
    83,652.45x = 115,667.44 × 82,300.40
  4. Step 4: Simplify right side
    83,652.45x = 9,519,477,342.21
  5. Step 5: Solve for x
    x = 9,519,477,342.21/83,652.45
  6. Step 6: Final answer
    x = 113,797.96

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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.