Home / 82,884.08-124,258.44-38,538.56

Finding the Fourth Proportional to 82,884.08, 124,258.44 and 38,538.56

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Solution

The fourth proportional to 82,884.08, 124,258.44 and 38,538.56 is: 57,776.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,884.08 : 124,258.44 = 38,538.56 : x
  2. Step 2: Convert to fraction form
    82,884.08/124,258.44 = 38,538.56/x
  3. Step 3: Cross multiply
    82,884.08x = 124,258.44 × 38,538.56
  4. Step 4: Simplify right side
    82,884.08x = 4,788,741,345.45
  5. Step 5: Solve for x
    x = 4,788,741,345.45/82,884.08
  6. Step 6: Final answer
    x = 57,776.37

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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.