Home / 82,849.90-124,295.55-26,695.30

Finding the Fourth Proportional to 82,849.90, 124,295.55 and 26,695.30

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Solution

The fourth proportional to 82,849.90, 124,295.55 and 26,695.30 is: 40,049.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,849.90 : 124,295.55 = 26,695.30 : x
  2. Step 2: Convert to fraction form
    82,849.90/124,295.55 = 26,695.30/x
  3. Step 3: Cross multiply
    82,849.90x = 124,295.55 × 26,695.30
  4. Step 4: Simplify right side
    82,849.90x = 3,318,106,995.92
  5. Step 5: Solve for x
    x = 3,318,106,995.92/82,849.90
  6. Step 6: Final answer
    x = 40,049.62

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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.