Home / 83,412.12-125,202.48-73,986.24

Finding the Fourth Proportional to 83,412.12, 125,202.48 and 73,986.24

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Solution

The fourth proportional to 83,412.12, 125,202.48 and 73,986.24 is: 111,054.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,412.12 : 125,202.48 = 73,986.24 : x
  2. Step 2: Convert to fraction form
    83,412.12/125,202.48 = 73,986.24/x
  3. Step 3: Cross multiply
    83,412.12x = 125,202.48 × 73,986.24
  4. Step 4: Simplify right side
    83,412.12x = 9,263,260,733.88
  5. Step 5: Solve for x
    x = 9,263,260,733.88/83,412.12
  6. Step 6: Final answer
    x = 111,054.13

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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.