Home / 82,788.25-124,200.89-30,197.73

Finding the Fourth Proportional to 82,788.25, 124,200.89 and 30,197.73

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Solution

The fourth proportional to 82,788.25, 124,200.89 and 30,197.73 is: 45,303.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,788.25 : 124,200.89 = 30,197.73 : x
  2. Step 2: Convert to fraction form
    82,788.25/124,200.89 = 30,197.73/x
  3. Step 3: Cross multiply
    82,788.25x = 124,200.89 × 30,197.73
  4. Step 4: Simplify right side
    82,788.25x = 3,750,584,941.98
  5. Step 5: Solve for x
    x = 3,750,584,941.98/82,788.25
  6. Step 6: Final answer
    x = 45,303.35

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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.