Home / 84,431.25-116,517.06-48,615.48

Finding the Fourth Proportional to 84,431.25, 116,517.06 and 48,615.48

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Solution

The fourth proportional to 84,431.25, 116,517.06 and 48,615.48 is: 67,090.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,431.25 : 116,517.06 = 48,615.48 : x
  2. Step 2: Convert to fraction form
    84,431.25/116,517.06 = 48,615.48/x
  3. Step 3: Cross multiply
    84,431.25x = 116,517.06 × 48,615.48
  4. Step 4: Simplify right side
    84,431.25x = 5,664,532,800.09
  5. Step 5: Solve for x
    x = 5,664,532,800.09/84,431.25
  6. Step 6: Final answer
    x = 67,090.48

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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.