Home / 97,301.64-145,974.32-30,745.76

Finding the Fourth Proportional to 97,301.64, 145,974.32 and 30,745.76

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Solution

The fourth proportional to 97,301.64, 145,974.32 and 30,745.76 is: 46,125.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,301.64 : 145,974.32 = 30,745.76 : x
  2. Step 2: Convert to fraction form
    97,301.64/145,974.32 = 30,745.76/x
  3. Step 3: Cross multiply
    97,301.64x = 145,974.32 × 30,745.76
  4. Step 4: Simplify right side
    97,301.64x = 4,488,091,408.88
  5. Step 5: Solve for x
    x = 4,488,091,408.88/97,301.64
  6. Step 6: Final answer
    x = 46,125.55

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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.