Home / 113,812.70-170,719.05-73,895.90

Finding the Fourth Proportional to 113,812.70, 170,719.05 and 73,895.90

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Solution

The fourth proportional to 113,812.70, 170,719.05 and 73,895.90 is: 110,843.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,812.70 : 170,719.05 = 73,895.90 : x
  2. Step 2: Convert to fraction form
    113,812.70/170,719.05 = 73,895.90/x
  3. Step 3: Cross multiply
    113,812.70x = 170,719.05 × 73,895.90
  4. Step 4: Simplify right side
    113,812.70x = 12,615,437,846.90
  5. Step 5: Solve for x
    x = 12,615,437,846.90/113,812.70
  6. Step 6: Final answer
    x = 110,843.85

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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.