Home / 82,986.28-124,438.46-36,218.92

Finding the Fourth Proportional to 82,986.28, 124,438.46 and 36,218.92

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Solution

The fourth proportional to 82,986.28, 124,438.46 and 36,218.92 is: 54,310.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,986.28 : 124,438.46 = 36,218.92 : x
  2. Step 2: Convert to fraction form
    82,986.28/124,438.46 = 36,218.92/x
  3. Step 3: Cross multiply
    82,986.28x = 124,438.46 × 36,218.92
  4. Step 4: Simplify right side
    82,986.28x = 4,507,026,627.66
  5. Step 5: Solve for x
    x = 4,507,026,627.66/82,986.28
  6. Step 6: Final answer
    x = 54,310.50

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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.