Home / 78,433.41-108,239.49-44,441.06

Finding the Fourth Proportional to 78,433.41, 108,239.49 and 44,441.06

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Solution

The fourth proportional to 78,433.41, 108,239.49 and 44,441.06 is: 61,329.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,433.41 : 108,239.49 = 44,441.06 : x
  2. Step 2: Convert to fraction form
    78,433.41/108,239.49 = 44,441.06/x
  3. Step 3: Cross multiply
    78,433.41x = 108,239.49 × 44,441.06
  4. Step 4: Simplify right side
    78,433.41x = 4,810,277,128.26
  5. Step 5: Solve for x
    x = 4,810,277,128.26/78,433.41
  6. Step 6: Final answer
    x = 61,329.44

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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.