Home / 74,295.12-111,441.32-18,134.33

Finding the Fourth Proportional to 74,295.12, 111,441.32 and 18,134.33

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Solution

The fourth proportional to 74,295.12, 111,441.32 and 18,134.33 is: 27,201.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,295.12 : 111,441.32 = 18,134.33 : x
  2. Step 2: Convert to fraction form
    74,295.12/111,441.32 = 18,134.33/x
  3. Step 3: Cross multiply
    74,295.12x = 111,441.32 × 18,134.33
  4. Step 4: Simplify right side
    74,295.12x = 2,020,913,719.50
  5. Step 5: Solve for x
    x = 2,020,913,719.50/74,295.12
  6. Step 6: Final answer
    x = 27,201.16

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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.