Home / 82,117.80-123,091.65-44,598.60

Finding the Fourth Proportional to 82,117.80, 123,091.65 and 44,598.60

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Solution

The fourth proportional to 82,117.80, 123,091.65 and 44,598.60 is: 66,851.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,117.80 : 123,091.65 = 44,598.60 : x
  2. Step 2: Convert to fraction form
    82,117.80/123,091.65 = 44,598.60/x
  3. Step 3: Cross multiply
    82,117.80x = 123,091.65 × 44,598.60
  4. Step 4: Simplify right side
    82,117.80x = 5,489,715,261.69
  5. Step 5: Solve for x
    x = 5,489,715,261.69/82,117.80
  6. Step 6: Final answer
    x = 66,851.71

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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.