Home / 82,786.01-124,197.33-30,195.32

Finding the Fourth Proportional to 82,786.01, 124,197.33 and 30,195.32

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Solution

The fourth proportional to 82,786.01, 124,197.33 and 30,195.32 is: 45,299.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,786.01 : 124,197.33 = 30,195.32 : x
  2. Step 2: Convert to fraction form
    82,786.01/124,197.33 = 30,195.32/x
  3. Step 3: Cross multiply
    82,786.01x = 124,197.33 × 30,195.32
  4. Step 4: Simplify right side
    82,786.01x = 3,750,178,122.50
  5. Step 5: Solve for x
    x = 3,750,178,122.50/82,786.01
  6. Step 6: Final answer
    x = 45,299.66

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1.5x scale

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.