Home / 86,203.29-118,893.05-58,995.48

Finding the Fourth Proportional to 86,203.29, 118,893.05 and 58,995.48

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Solution

The fourth proportional to 86,203.29, 118,893.05 and 58,995.48 is: 81,367.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,203.29 : 118,893.05 = 58,995.48 : x
  2. Step 2: Convert to fraction form
    86,203.29/118,893.05 = 58,995.48/x
  3. Step 3: Cross multiply
    86,203.29x = 118,893.05 × 58,995.48
  4. Step 4: Simplify right side
    86,203.29x = 7,014,152,258.44
  5. Step 5: Solve for x
    x = 7,014,152,258.44/86,203.29
  6. Step 6: Final answer
    x = 81,367.57

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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.