Home / 79,584.21-109,827.96-43,776.03

Finding the Fourth Proportional to 79,584.21, 109,827.96 and 43,776.03

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Solution

The fourth proportional to 79,584.21, 109,827.96 and 43,776.03 is: 60,411.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,584.21 : 109,827.96 = 43,776.03 : x
  2. Step 2: Convert to fraction form
    79,584.21/109,827.96 = 43,776.03/x
  3. Step 3: Cross multiply
    79,584.21x = 109,827.96 × 43,776.03
  4. Step 4: Simplify right side
    79,584.21x = 4,807,832,071.80
  5. Step 5: Solve for x
    x = 4,807,832,071.80/79,584.21
  6. Step 6: Final answer
    x = 60,411.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.