Home / 49,412.67-74,148.53-45,392.81

Finding the Fourth Proportional to 49,412.67, 74,148.53 and 45,392.81

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Solution

The fourth proportional to 49,412.67, 74,148.53 and 45,392.81 is: 68,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,412.67 : 74,148.53 = 45,392.81 : x
  2. Step 2: Convert to fraction form
    49,412.67/74,148.53 = 45,392.81/x
  3. Step 3: Cross multiply
    49,412.67x = 74,148.53 × 45,392.81
  4. Step 4: Simplify right side
    49,412.67x = 3,365,809,876.81
  5. Step 5: Solve for x
    x = 3,365,809,876.81/49,412.67
  6. Step 6: Final answer
    x = 68,116.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.