Home / 74,613.09-111,886.83-39,544.68

Finding the Fourth Proportional to 74,613.09, 111,886.83 and 39,544.68

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Solution

The fourth proportional to 74,613.09, 111,886.83 and 39,544.68 is: 59,299.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,613.09 : 111,886.83 = 39,544.68 : x
  2. Step 2: Convert to fraction form
    74,613.09/111,886.83 = 39,544.68/x
  3. Step 3: Cross multiply
    74,613.09x = 111,886.83 × 39,544.68
  4. Step 4: Simplify right side
    74,613.09x = 4,424,528,888.56
  5. Step 5: Solve for x
    x = 4,424,528,888.56/74,613.09
  6. Step 6: Final answer
    x = 59,299.63

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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.