Home / 74,171.32-111,224.14-26,768.10

Finding the Fourth Proportional to 74,171.32, 111,224.14 and 26,768.10

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Solution

The fourth proportional to 74,171.32, 111,224.14 and 26,768.10 is: 40,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,171.32 : 111,224.14 = 26,768.10 : x
  2. Step 2: Convert to fraction form
    74,171.32/111,224.14 = 26,768.10/x
  3. Step 3: Cross multiply
    74,171.32x = 111,224.14 × 26,768.10
  4. Step 4: Simplify right side
    74,171.32x = 2,977,258,901.93
  5. Step 5: Solve for x
    x = 2,977,258,901.93/74,171.32
  6. Step 6: Final answer
    x = 40,140.30

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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.