Home / 61,790.45-85,273.66-34,934.09

Finding the Fourth Proportional to 61,790.45, 85,273.66 and 34,934.09

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Solution

The fourth proportional to 61,790.45, 85,273.66 and 34,934.09 is: 48,210.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,790.45 : 85,273.66 = 34,934.09 : x
  2. Step 2: Convert to fraction form
    61,790.45/85,273.66 = 34,934.09/x
  3. Step 3: Cross multiply
    61,790.45x = 85,273.66 × 34,934.09
  4. Step 4: Simplify right side
    61,790.45x = 2,978,957,713.07
  5. Step 5: Solve for x
    x = 2,978,957,713.07/61,790.45
  6. Step 6: Final answer
    x = 48,210.65

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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.