Home / 113,530.71-170,401.23-57,410.54

Finding the Fourth Proportional to 113,530.71, 170,401.23 and 57,410.54

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Solution

The fourth proportional to 113,530.71, 170,401.23 and 57,410.54 is: 86,168.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,530.71 : 170,401.23 = 57,410.54 : x
  2. Step 2: Convert to fraction form
    113,530.71/170,401.23 = 57,410.54/x
  3. Step 3: Cross multiply
    113,530.71x = 170,401.23 × 57,410.54
  4. Step 4: Simplify right side
    113,530.71x = 9,782,825,778.96
  5. Step 5: Solve for x
    x = 9,782,825,778.96/113,530.71
  6. Step 6: Final answer
    x = 86,168.98

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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.