Home / 70,890.08-106,298.19-33,440.11

Finding the Fourth Proportional to 70,890.08, 106,298.19 and 33,440.11

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Solution

The fourth proportional to 70,890.08, 106,298.19 and 33,440.11 is: 50,142.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,890.08 : 106,298.19 = 33,440.11 : x
  2. Step 2: Convert to fraction form
    70,890.08/106,298.19 = 33,440.11/x
  3. Step 3: Cross multiply
    70,890.08x = 106,298.19 × 33,440.11
  4. Step 4: Simplify right side
    70,890.08x = 3,554,622,900.66
  5. Step 5: Solve for x
    x = 3,554,622,900.66/70,890.08
  6. Step 6: Final answer
    x = 50,142.74

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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.