Home / 83,914.08-115,742.46-55,224.60

Finding the Fourth Proportional to 83,914.08, 115,742.46 and 55,224.60

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Solution

The fourth proportional to 83,914.08, 115,742.46 and 55,224.60 is: 76,171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,914.08 : 115,742.46 = 55,224.60 : x
  2. Step 2: Convert to fraction form
    83,914.08/115,742.46 = 55,224.60/x
  3. Step 3: Cross multiply
    83,914.08x = 115,742.46 × 55,224.60
  4. Step 4: Simplify right side
    83,914.08x = 6,391,831,056.52
  5. Step 5: Solve for x
    x = 6,391,831,056.52/83,914.08
  6. Step 6: Final answer
    x = 76,171.14

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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.