Home / 120,496.72-180,779.64-46,676.56

Finding the Fourth Proportional to 120,496.72, 180,779.64 and 46,676.56

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Solution

The fourth proportional to 120,496.72, 180,779.64 and 46,676.56 is: 70,028.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,496.72 : 180,779.64 = 46,676.56 : x
  2. Step 2: Convert to fraction form
    120,496.72/180,779.64 = 46,676.56/x
  3. Step 3: Cross multiply
    120,496.72x = 180,779.64 × 46,676.56
  4. Step 4: Simplify right side
    120,496.72x = 8,438,171,713.24
  5. Step 5: Solve for x
    x = 8,438,171,713.24/120,496.72
  6. Step 6: Final answer
    x = 70,028.23

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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.