Home / 82,770.90-124,110.96-32,800.38

Finding the Fourth Proportional to 82,770.90, 124,110.96 and 32,800.38

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Solution

The fourth proportional to 82,770.90, 124,110.96 and 32,800.38 is: 49,182.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,770.90 : 124,110.96 = 32,800.38 : x
  2. Step 2: Convert to fraction form
    82,770.90/124,110.96 = 32,800.38/x
  3. Step 3: Cross multiply
    82,770.90x = 124,110.96 × 32,800.38
  4. Step 4: Simplify right side
    82,770.90x = 4,070,886,650.16
  5. Step 5: Solve for x
    x = 4,070,886,650.16/82,770.90
  6. Step 6: Final answer
    x = 49,182.58

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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.