Home / 49,241.98-67,913.80-31,306.15

Finding the Fourth Proportional to 49,241.98, 67,913.80 and 31,306.15

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Solution

The fourth proportional to 49,241.98, 67,913.80 and 31,306.15 is: 43,176.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,241.98 : 67,913.80 = 31,306.15 : x
  2. Step 2: Convert to fraction form
    49,241.98/67,913.80 = 31,306.15/x
  3. Step 3: Cross multiply
    49,241.98x = 67,913.80 × 31,306.15
  4. Step 4: Simplify right side
    49,241.98x = 2,126,119,609.87
  5. Step 5: Solve for x
    x = 2,126,119,609.87/49,241.98
  6. Step 6: Final answer
    x = 43,176.97

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1.5x scale

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.