Home / 107,491.12-161,236.86-40,915.96

Finding the Fourth Proportional to 107,491.12, 161,236.86 and 40,915.96

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Solution

The fourth proportional to 107,491.12, 161,236.86 and 40,915.96 is: 61,374.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,491.12 : 161,236.86 = 40,915.96 : x
  2. Step 2: Convert to fraction form
    107,491.12/161,236.86 = 40,915.96/x
  3. Step 3: Cross multiply
    107,491.12x = 161,236.86 × 40,915.96
  4. Step 4: Simplify right side
    107,491.12x = 6,597,160,914.29
  5. Step 5: Solve for x
    x = 6,597,160,914.29/107,491.12
  6. Step 6: Final answer
    x = 61,374.01

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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.