Home / 74,081.51-111,147.21-23,488.80

Finding the Fourth Proportional to 74,081.51, 111,147.21 and 23,488.80

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Solution

The fourth proportional to 74,081.51, 111,147.21 and 23,488.80 is: 35,241.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,081.51 : 111,147.21 = 23,488.80 : x
  2. Step 2: Convert to fraction form
    74,081.51/111,147.21 = 23,488.80/x
  3. Step 3: Cross multiply
    74,081.51x = 111,147.21 × 23,488.80
  4. Step 4: Simplify right side
    74,081.51x = 2,610,714,391.81
  5. Step 5: Solve for x
    x = 2,610,714,391.81/74,081.51
  6. Step 6: Final answer
    x = 35,241.11

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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.