Home / 68,847.03-103,275.50-28,825.74

Finding the Fourth Proportional to 68,847.03, 103,275.50 and 28,825.74

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Solution

The fourth proportional to 68,847.03, 103,275.50 and 28,825.74 is: 43,240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,847.03 : 103,275.50 = 28,825.74 : x
  2. Step 2: Convert to fraction form
    68,847.03/103,275.50 = 28,825.74/x
  3. Step 3: Cross multiply
    68,847.03x = 103,275.50 × 28,825.74
  4. Step 4: Simplify right side
    68,847.03x = 2,976,992,567.24
  5. Step 5: Solve for x
    x = 2,976,992,567.24/68,847.03
  6. Step 6: Final answer
    x = 43,240.68

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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.