Home / 75,729.72-113,508.48-46,082.28

Finding the Fourth Proportional to 75,729.72, 113,508.48 and 46,082.28

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Solution

The fourth proportional to 75,729.72, 113,508.48 and 46,082.28 is: 69,071.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,729.72 : 113,508.48 = 46,082.28 : x
  2. Step 2: Convert to fraction form
    75,729.72/113,508.48 = 46,082.28/x
  3. Step 3: Cross multiply
    75,729.72x = 113,508.48 × 46,082.28
  4. Step 4: Simplify right side
    75,729.72x = 5,230,729,557.73
  5. Step 5: Solve for x
    x = 5,230,729,557.73/75,729.72
  6. Step 6: Final answer
    x = 69,071.03

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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.