Home / 84,914.40-127,069.20-73,941.60

Finding the Fourth Proportional to 84,914.40, 127,069.20 and 73,941.60

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Solution

The fourth proportional to 84,914.40, 127,069.20 and 73,941.60 is: 110,649.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,914.40 : 127,069.20 = 73,941.60 : x
  2. Step 2: Convert to fraction form
    84,914.40/127,069.20 = 73,941.60/x
  3. Step 3: Cross multiply
    84,914.40x = 127,069.20 × 73,941.60
  4. Step 4: Simplify right side
    84,914.40x = 9,395,699,958.72
  5. Step 5: Solve for x
    x = 9,395,699,958.72/84,914.40
  6. Step 6: Final answer
    x = 110,649.08

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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.