Home / 117,464.63-162,040.55-74,371.14

Finding the Fourth Proportional to 117,464.63, 162,040.55 and 74,371.14

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Solution

The fourth proportional to 117,464.63, 162,040.55 and 74,371.14 is: 102,593.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,464.63 : 162,040.55 = 74,371.14 : x
  2. Step 2: Convert to fraction form
    117,464.63/162,040.55 = 74,371.14/x
  3. Step 3: Cross multiply
    117,464.63x = 162,040.55 × 74,371.14
  4. Step 4: Simplify right side
    117,464.63x = 12,051,140,057.87
  5. Step 5: Solve for x
    x = 12,051,140,057.87/117,464.63
  6. Step 6: Final answer
    x = 102,593.78

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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.