Home / 57,823.60-86,735.40-43,999.60

Finding the Fourth Proportional to 57,823.60, 86,735.40 and 43,999.60

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Solution

The fourth proportional to 57,823.60, 86,735.40 and 43,999.60 is: 65,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,823.60 : 86,735.40 = 43,999.60 : x
  2. Step 2: Convert to fraction form
    57,823.60/86,735.40 = 43,999.60/x
  3. Step 3: Cross multiply
    57,823.60x = 86,735.40 × 43,999.60
  4. Step 4: Simplify right side
    57,823.60x = 3,816,322,905.84
  5. Step 5: Solve for x
    x = 3,816,322,905.84/57,823.60
  6. Step 6: Final answer
    x = 65,999.40

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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.