Home / 43,979.09-65,967.72-10,699.32

Finding the Fourth Proportional to 43,979.09, 65,967.72 and 10,699.32

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Solution

The fourth proportional to 43,979.09, 65,967.72 and 10,699.32 is: 16,048.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,979.09 : 65,967.72 = 10,699.32 : x
  2. Step 2: Convert to fraction form
    43,979.09/65,967.72 = 10,699.32/x
  3. Step 3: Cross multiply
    43,979.09x = 65,967.72 × 10,699.32
  4. Step 4: Simplify right side
    43,979.09x = 705,809,953.21
  5. Step 5: Solve for x
    x = 705,809,953.21/43,979.09
  6. Step 6: Final answer
    x = 16,048.76

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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.