Home / 43,968.10-65,947.28-12,803.36

Finding the Fourth Proportional to 43,968.10, 65,947.28 and 12,803.36

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Solution

The fourth proportional to 43,968.10, 65,947.28 and 12,803.36 is: 19,203.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,968.10 : 65,947.28 = 12,803.36 : x
  2. Step 2: Convert to fraction form
    43,968.10/65,947.28 = 12,803.36/x
  3. Step 3: Cross multiply
    43,968.10x = 65,947.28 × 12,803.36
  4. Step 4: Simplify right side
    43,968.10x = 844,346,766.86
  5. Step 5: Solve for x
    x = 844,346,766.86/43,968.10
  6. Step 6: Final answer
    x = 19,203.62

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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.