Home / 67,346.52-100,870.32-43,577.64

Finding the Fourth Proportional to 67,346.52, 100,870.32 and 43,577.64

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Solution

The fourth proportional to 67,346.52, 100,870.32 and 43,577.64 is: 65,269.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,346.52 : 100,870.32 = 43,577.64 : x
  2. Step 2: Convert to fraction form
    67,346.52/100,870.32 = 43,577.64/x
  3. Step 3: Cross multiply
    67,346.52x = 100,870.32 × 43,577.64
  4. Step 4: Simplify right side
    67,346.52x = 4,395,690,491.64
  5. Step 5: Solve for x
    x = 4,395,690,491.64/67,346.52
  6. Step 6: Final answer
    x = 65,269.75

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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.