Home / 92,909.30-128,214.81-50,467.79

Finding the Fourth Proportional to 92,909.30, 128,214.81 and 50,467.79

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Solution

The fourth proportional to 92,909.30, 128,214.81 and 50,467.79 is: 69,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,909.30 : 128,214.81 = 50,467.79 : x
  2. Step 2: Convert to fraction form
    92,909.30/128,214.81 = 50,467.79/x
  3. Step 3: Cross multiply
    92,909.30x = 128,214.81 × 50,467.79
  4. Step 4: Simplify right side
    92,909.30x = 6,470,718,105.97
  5. Step 5: Solve for x
    x = 6,470,718,105.97/92,909.30
  6. Step 6: Final answer
    x = 69,645.54

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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.