Home / 124,508.29-171,821.22-67,919.67

Finding the Fourth Proportional to 124,508.29, 171,821.22 and 67,919.67

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Solution

The fourth proportional to 124,508.29, 171,821.22 and 67,919.67 is: 93,729.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,508.29 : 171,821.22 = 67,919.67 : x
  2. Step 2: Convert to fraction form
    124,508.29/171,821.22 = 67,919.67/x
  3. Step 3: Cross multiply
    124,508.29x = 171,821.22 × 67,919.67
  4. Step 4: Simplify right side
    124,508.29x = 11,670,040,561.40
  5. Step 5: Solve for x
    x = 11,670,040,561.40/124,508.29
  6. Step 6: Final answer
    x = 93,729.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.