Home / 91,934.49-126,868.83-51,647.39

Finding the Fourth Proportional to 91,934.49, 126,868.83 and 51,647.39

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Solution

The fourth proportional to 91,934.49, 126,868.83 and 51,647.39 is: 71,272.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,934.49 : 126,868.83 = 51,647.39 : x
  2. Step 2: Convert to fraction form
    91,934.49/126,868.83 = 51,647.39/x
  3. Step 3: Cross multiply
    91,934.49x = 126,868.83 × 51,647.39
  4. Step 4: Simplify right side
    91,934.49x = 6,552,443,941.85
  5. Step 5: Solve for x
    x = 6,552,443,941.85/91,934.49
  6. Step 6: Final answer
    x = 71,272.97

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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.