Home / 86,058.24-118,757.30-47,817.33

Finding the Fourth Proportional to 86,058.24, 118,757.30 and 47,817.33

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Solution

The fourth proportional to 86,058.24, 118,757.30 and 47,817.33 is: 65,986.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,058.24 : 118,757.30 = 47,817.33 : x
  2. Step 2: Convert to fraction form
    86,058.24/118,757.30 = 47,817.33/x
  3. Step 3: Cross multiply
    86,058.24x = 118,757.30 × 47,817.33
  4. Step 4: Simplify right side
    86,058.24x = 5,678,657,004.01
  5. Step 5: Solve for x
    x = 5,678,657,004.01/86,058.24
  6. Step 6: Final answer
    x = 65,986.21

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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.