Home / 82,142.70-123,214.06-32,246.30

Finding the Fourth Proportional to 82,142.70, 123,214.06 and 32,246.30

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Solution

The fourth proportional to 82,142.70, 123,214.06 and 32,246.30 is: 48,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,142.70 : 123,214.06 = 32,246.30 : x
  2. Step 2: Convert to fraction form
    82,142.70/123,214.06 = 32,246.30/x
  3. Step 3: Cross multiply
    82,142.70x = 123,214.06 × 32,246.30
  4. Step 4: Simplify right side
    82,142.70x = 3,973,197,542.98
  5. Step 5: Solve for x
    x = 3,973,197,542.98/82,142.70
  6. Step 6: Final answer
    x = 48,369.45

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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.