Home / 83,835.15-125,765.22-27,681.19

Finding the Fourth Proportional to 83,835.15, 125,765.22 and 27,681.19

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Solution

The fourth proportional to 83,835.15, 125,765.22 and 27,681.19 is: 41,525.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,835.15 : 125,765.22 = 27,681.19 : x
  2. Step 2: Convert to fraction form
    83,835.15/125,765.22 = 27,681.19/x
  3. Step 3: Cross multiply
    83,835.15x = 125,765.22 × 27,681.19
  4. Step 4: Simplify right side
    83,835.15x = 3,481,330,739.60
  5. Step 5: Solve for x
    x = 3,481,330,739.60/83,835.15
  6. Step 6: Final answer
    x = 41,525.91

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1.5x scale

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.