Home / 82,945.37-114,394.19-70,087.64

Finding the Fourth Proportional to 82,945.37, 114,394.19 and 70,087.64

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Solution

The fourth proportional to 82,945.37, 114,394.19 and 70,087.64 is: 96,661.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,945.37 : 114,394.19 = 70,087.64 : x
  2. Step 2: Convert to fraction form
    82,945.37/114,394.19 = 70,087.64/x
  3. Step 3: Cross multiply
    82,945.37x = 114,394.19 × 70,087.64
  4. Step 4: Simplify right side
    82,945.37x = 8,017,617,884.40
  5. Step 5: Solve for x
    x = 8,017,617,884.40/82,945.37
  6. Step 6: Final answer
    x = 96,661.43

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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.