Home / 86,058.20-118,759.93-47,823.97

Finding the Fourth Proportional to 86,058.20, 118,759.93 and 47,823.97

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Solution

The fourth proportional to 86,058.20, 118,759.93 and 47,823.97 is: 65,996.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,058.20 : 118,759.93 = 47,823.97 : x
  2. Step 2: Convert to fraction form
    86,058.20/118,759.93 = 47,823.97/x
  3. Step 3: Cross multiply
    86,058.20x = 118,759.93 × 47,823.97
  4. Step 4: Simplify right side
    86,058.20x = 5,679,571,329.52
  5. Step 5: Solve for x
    x = 5,679,571,329.52/86,058.20
  6. Step 6: Final answer
    x = 65,996.86

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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.