Home / 83,415.48-125,063.77-39,018.03

Finding the Fourth Proportional to 83,415.48, 125,063.77 and 39,018.03

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Solution

The fourth proportional to 83,415.48, 125,063.77 and 39,018.03 is: 58,499.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,415.48 : 125,063.77 = 39,018.03 : x
  2. Step 2: Convert to fraction form
    83,415.48/125,063.77 = 39,018.03/x
  3. Step 3: Cross multiply
    83,415.48x = 125,063.77 × 39,018.03
  4. Step 4: Simplify right side
    83,415.48x = 4,879,741,109.36
  5. Step 5: Solve for x
    x = 4,879,741,109.36/83,415.48
  6. Step 6: Final answer
    x = 58,499.23

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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.