Home / 100,141.12-138,185.29-59,846.86

Finding the Fourth Proportional to 100,141.12, 138,185.29 and 59,846.86

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Solution

The fourth proportional to 100,141.12, 138,185.29 and 59,846.86 is: 82,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,141.12 : 138,185.29 = 59,846.86 : x
  2. Step 2: Convert to fraction form
    100,141.12/138,185.29 = 59,846.86/x
  3. Step 3: Cross multiply
    100,141.12x = 138,185.29 × 59,846.86
  4. Step 4: Simplify right side
    100,141.12x = 8,269,955,704.69
  5. Step 5: Solve for x
    x = 8,269,955,704.69/100,141.12
  6. Step 6: Final answer
    x = 82,583.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.