Home / 107,880.12-161,715.69-41,268.96

Finding the Fourth Proportional to 107,880.12, 161,715.69 and 41,268.96

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Solution

The fourth proportional to 107,880.12, 161,715.69 and 41,268.96 is: 61,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,880.12 : 161,715.69 = 41,268.96 : x
  2. Step 2: Convert to fraction form
    107,880.12/161,715.69 = 41,268.96/x
  3. Step 3: Cross multiply
    107,880.12x = 161,715.69 × 41,268.96
  4. Step 4: Simplify right side
    107,880.12x = 6,673,838,341.98
  5. Step 5: Solve for x
    x = 6,673,838,341.98/107,880.12
  6. Step 6: Final answer
    x = 61,863.47

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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.