Home / 83,513.33-125,239.16-36,135.32

Finding the Fourth Proportional to 83,513.33, 125,239.16 and 36,135.32

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Solution

The fourth proportional to 83,513.33, 125,239.16 and 36,135.32 is: 54,189.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,513.33 : 125,239.16 = 36,135.32 : x
  2. Step 2: Convert to fraction form
    83,513.33/125,239.16 = 36,135.32/x
  3. Step 3: Cross multiply
    83,513.33x = 125,239.16 × 36,135.32
  4. Step 4: Simplify right side
    83,513.33x = 4,525,556,587.27
  5. Step 5: Solve for x
    x = 4,525,556,587.27/83,513.33
  6. Step 6: Final answer
    x = 54,189.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.