Home / 81,181.01-111,957.26-50,969.16

Finding the Fourth Proportional to 81,181.01, 111,957.26 and 50,969.16

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Solution

The fourth proportional to 81,181.01, 111,957.26 and 50,969.16 is: 70,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,181.01 : 111,957.26 = 50,969.16 : x
  2. Step 2: Convert to fraction form
    81,181.01/111,957.26 = 50,969.16/x
  3. Step 3: Cross multiply
    81,181.01x = 111,957.26 × 50,969.16
  4. Step 4: Simplify right side
    81,181.01x = 5,706,367,243.26
  5. Step 5: Solve for x
    x = 5,706,367,243.26/81,181.01
  6. Step 6: Final answer
    x = 70,291.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.