Home / 83,484.44-125,147.45-30,858.20

Finding the Fourth Proportional to 83,484.44, 125,147.45 and 30,858.20

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Solution

The fourth proportional to 83,484.44, 125,147.45 and 30,858.20 is: 46,258.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,484.44 : 125,147.45 = 30,858.20 : x
  2. Step 2: Convert to fraction form
    83,484.44/125,147.45 = 30,858.20/x
  3. Step 3: Cross multiply
    83,484.44x = 125,147.45 × 30,858.20
  4. Step 4: Simplify right side
    83,484.44x = 3,861,824,493.00
  5. Step 5: Solve for x
    x = 3,861,824,493.00/83,484.44
  6. Step 6: Final answer
    x = 46,258.02

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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.