Home / 109,324.86-164,028.60-42,812.52

Finding the Fourth Proportional to 109,324.86, 164,028.60 and 42,812.52

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Solution

The fourth proportional to 109,324.86, 164,028.60 and 42,812.52 is: 64,234.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,324.86 : 164,028.60 = 42,812.52 : x
  2. Step 2: Convert to fraction form
    109,324.86/164,028.60 = 42,812.52/x
  3. Step 3: Cross multiply
    109,324.86x = 164,028.60 × 42,812.52
  4. Step 4: Simplify right side
    109,324.86x = 7,022,477,718.07
  5. Step 5: Solve for x
    x = 7,022,477,718.07/109,324.86
  6. Step 6: Final answer
    x = 64,234.96

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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.