Home / 85,519.27-118,007.44-49,701.79

Finding the Fourth Proportional to 85,519.27, 118,007.44 and 49,701.79

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Solution

The fourth proportional to 85,519.27, 118,007.44 and 49,701.79 is: 68,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,519.27 : 118,007.44 = 49,701.79 : x
  2. Step 2: Convert to fraction form
    85,519.27/118,007.44 = 49,701.79/x
  3. Step 3: Cross multiply
    85,519.27x = 118,007.44 × 49,701.79
  4. Step 4: Simplify right side
    85,519.27x = 5,865,181,001.32
  5. Step 5: Solve for x
    x = 5,865,181,001.32/85,519.27
  6. Step 6: Final answer
    x = 68,583.15

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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.