Home / 123,415.68-185,085.18-44,519.67

Finding the Fourth Proportional to 123,415.68, 185,085.18 and 44,519.67

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Solution

The fourth proportional to 123,415.68, 185,085.18 and 44,519.67 is: 66,765.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,415.68 : 185,085.18 = 44,519.67 : x
  2. Step 2: Convert to fraction form
    123,415.68/185,085.18 = 44,519.67/x
  3. Step 3: Cross multiply
    123,415.68x = 185,085.18 × 44,519.67
  4. Step 4: Simplify right side
    123,415.68x = 8,239,931,135.49
  5. Step 5: Solve for x
    x = 8,239,931,135.49/123,415.68
  6. Step 6: Final answer
    x = 66,765.67

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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.