Home / 91,844.69-126,745.59-51,558.53

Finding the Fourth Proportional to 91,844.69, 126,745.59 and 51,558.53

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Solution

The fourth proportional to 91,844.69, 126,745.59 and 51,558.53 is: 71,150.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,844.69 : 126,745.59 = 51,558.53 : x
  2. Step 2: Convert to fraction form
    91,844.69/126,745.59 = 51,558.53/x
  3. Step 3: Cross multiply
    91,844.69x = 126,745.59 × 51,558.53
  4. Step 4: Simplify right side
    91,844.69x = 6,534,815,670.65
  5. Step 5: Solve for x
    x = 6,534,815,670.65/91,844.69
  6. Step 6: Final answer
    x = 71,150.72

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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.