Home / 80,638.49-111,284.91-44,829.09

Finding the Fourth Proportional to 80,638.49, 111,284.91 and 44,829.09

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Solution

The fourth proportional to 80,638.49, 111,284.91 and 44,829.09 is: 61,866.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,638.49 : 111,284.91 = 44,829.09 : x
  2. Step 2: Convert to fraction form
    80,638.49/111,284.91 = 44,829.09/x
  3. Step 3: Cross multiply
    80,638.49x = 111,284.91 × 44,829.09
  4. Step 4: Simplify right side
    80,638.49x = 4,988,801,537.27
  5. Step 5: Solve for x
    x = 4,988,801,537.27/80,638.49
  6. Step 6: Final answer
    x = 61,866.26

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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.