Home / 124,581.11-171,919.49-67,992.89

Finding the Fourth Proportional to 124,581.11, 171,919.49 and 67,992.89

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Solution

The fourth proportional to 124,581.11, 171,919.49 and 67,992.89 is: 93,828.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,581.11 : 171,919.49 = 67,992.89 : x
  2. Step 2: Convert to fraction form
    124,581.11/171,919.49 = 67,992.89/x
  3. Step 3: Cross multiply
    124,581.11x = 171,919.49 × 67,992.89
  4. Step 4: Simplify right side
    124,581.11x = 11,689,301,772.86
  5. Step 5: Solve for x
    x = 11,689,301,772.86/124,581.11
  6. Step 6: Final answer
    x = 93,828.85

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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.