Home / 107,492.12-161,238.36-40,916.96

Finding the Fourth Proportional to 107,492.12, 161,238.36 and 40,916.96

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Solution

The fourth proportional to 107,492.12, 161,238.36 and 40,916.96 is: 61,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,492.12 : 161,238.36 = 40,916.96 : x
  2. Step 2: Convert to fraction form
    107,492.12/161,238.36 = 40,916.96/x
  3. Step 3: Cross multiply
    107,492.12x = 161,238.36 × 40,916.96
  4. Step 4: Simplify right side
    107,492.12x = 6,597,383,526.59
  5. Step 5: Solve for x
    x = 6,597,383,526.59/107,492.12
  6. Step 6: Final answer
    x = 61,375.51

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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.