Home / 82,074.10-113,453.55-73,209.46

Finding the Fourth Proportional to 82,074.10, 113,453.55 and 73,209.46

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Solution

The fourth proportional to 82,074.10, 113,453.55 and 73,209.46 is: 101,199.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,074.10 : 113,453.55 = 73,209.46 : x
  2. Step 2: Convert to fraction form
    82,074.10/113,453.55 = 73,209.46/x
  3. Step 3: Cross multiply
    82,074.10x = 113,453.55 × 73,209.46
  4. Step 4: Simplify right side
    82,074.10x = 8,305,873,130.58
  5. Step 5: Solve for x
    x = 8,305,873,130.58/82,074.10
  6. Step 6: Final answer
    x = 101,199.69

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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.