Home / 43,816.10-65,724.15-28,069.70

Finding the Fourth Proportional to 43,816.10, 65,724.15 and 28,069.70

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Solution

The fourth proportional to 43,816.10, 65,724.15 and 28,069.70 is: 42,104.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,816.10 : 65,724.15 = 28,069.70 : x
  2. Step 2: Convert to fraction form
    43,816.10/65,724.15 = 28,069.70/x
  3. Step 3: Cross multiply
    43,816.10x = 65,724.15 × 28,069.70
  4. Step 4: Simplify right side
    43,816.10x = 1,844,857,173.26
  5. Step 5: Solve for x
    x = 1,844,857,173.26/43,816.10
  6. Step 6: Final answer
    x = 42,104.55

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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.