Home / 113,811.33-170,725.27-43,690.64

Finding the Fourth Proportional to 113,811.33, 170,725.27 and 43,690.64

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Solution

The fourth proportional to 113,811.33, 170,725.27 and 43,690.64 is: 65,539.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,811.33 : 170,725.27 = 43,690.64 : x
  2. Step 2: Convert to fraction form
    113,811.33/170,725.27 = 43,690.64/x
  3. Step 3: Cross multiply
    113,811.33x = 170,725.27 × 43,690.64
  4. Step 4: Simplify right side
    113,811.33x = 7,459,096,389.87
  5. Step 5: Solve for x
    x = 7,459,096,389.87/113,811.33
  6. Step 6: Final answer
    x = 65,539.14

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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.