Home / 106,557.12-159,861.99-31,676.95

Finding the Fourth Proportional to 106,557.12, 159,861.99 and 31,676.95

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Solution

The fourth proportional to 106,557.12, 159,861.99 and 31,676.95 is: 47,523.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,557.12 : 159,861.99 = 31,676.95 : x
  2. Step 2: Convert to fraction form
    106,557.12/159,861.99 = 31,676.95/x
  3. Step 3: Cross multiply
    106,557.12x = 159,861.99 × 31,676.95
  4. Step 4: Simplify right side
    106,557.12x = 5,063,939,864.48
  5. Step 5: Solve for x
    x = 5,063,939,864.48/106,557.12
  6. Step 6: Final answer
    x = 47,523.24

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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.