Home / 86,040.33-118,722.83-48,307.29

Finding the Fourth Proportional to 86,040.33, 118,722.83 and 48,307.29

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Solution

The fourth proportional to 86,040.33, 118,722.83 and 48,307.29 is: 66,656.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,040.33 : 118,722.83 = 48,307.29 : x
  2. Step 2: Convert to fraction form
    86,040.33/118,722.83 = 48,307.29/x
  3. Step 3: Cross multiply
    86,040.33x = 118,722.83 × 48,307.29
  4. Step 4: Simplify right side
    86,040.33x = 5,735,177,936.89
  5. Step 5: Solve for x
    x = 5,735,177,936.89/86,040.33
  6. Step 6: Final answer
    x = 66,656.86

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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.