Home / 79,576.21-109,813.21-43,277.23

Finding the Fourth Proportional to 79,576.21, 109,813.21 and 43,277.23

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Solution

The fourth proportional to 79,576.21, 109,813.21 and 43,277.23 is: 59,721.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,576.21 : 109,813.21 = 43,277.23 : x
  2. Step 2: Convert to fraction form
    79,576.21/109,813.21 = 43,277.23/x
  3. Step 3: Cross multiply
    79,576.21x = 109,813.21 × 43,277.23
  4. Step 4: Simplify right side
    79,576.21x = 4,752,411,546.21
  5. Step 5: Solve for x
    x = 4,752,411,546.21/79,576.21
  6. Step 6: Final answer
    x = 59,721.51

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1.5x scale

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.