Home / 45,842.06-68,763.14-12,562.40

Finding the Fourth Proportional to 45,842.06, 68,763.14 and 12,562.40

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Solution

The fourth proportional to 45,842.06, 68,763.14 and 12,562.40 is: 18,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,842.06 : 68,763.14 = 12,562.40 : x
  2. Step 2: Convert to fraction form
    45,842.06/68,763.14 = 12,562.40/x
  3. Step 3: Cross multiply
    45,842.06x = 68,763.14 × 12,562.40
  4. Step 4: Simplify right side
    45,842.06x = 863,830,069.94
  5. Step 5: Solve for x
    x = 863,830,069.94/45,842.06
  6. Step 6: Final answer
    x = 18,843.61

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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.