Home / 124,581.36-171,919.72-67,992.72

Finding the Fourth Proportional to 124,581.36, 171,919.72 and 67,992.72

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Solution

The fourth proportional to 124,581.36, 171,919.72 and 67,992.72 is: 93,828.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,581.36 : 171,919.72 = 67,992.72 : x
  2. Step 2: Convert to fraction form
    124,581.36/171,919.72 = 67,992.72/x
  3. Step 3: Cross multiply
    124,581.36x = 171,919.72 × 67,992.72
  4. Step 4: Simplify right side
    124,581.36x = 11,689,289,384.44
  5. Step 5: Solve for x
    x = 11,689,289,384.44/124,581.36
  6. Step 6: Final answer
    x = 93,828.56

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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.