Home / 91,965.16-126,898.81-51,676.98

Finding the Fourth Proportional to 91,965.16, 126,898.81 and 51,676.98

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Solution

The fourth proportional to 91,965.16, 126,898.81 and 51,676.98 is: 71,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,965.16 : 126,898.81 = 51,676.98 : x
  2. Step 2: Convert to fraction form
    91,965.16/126,898.81 = 51,676.98/x
  3. Step 3: Cross multiply
    91,965.16x = 126,898.81 × 51,676.98
  4. Step 4: Simplify right side
    91,965.16x = 6,557,747,266.39
  5. Step 5: Solve for x
    x = 6,557,747,266.39/91,965.16
  6. Step 6: Final answer
    x = 71,306.87

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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.