Home / 92,802.76-128,067.89-50,361.29

Finding the Fourth Proportional to 92,802.76, 128,067.89 and 50,361.29

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Solution

The fourth proportional to 92,802.76, 128,067.89 and 50,361.29 is: 69,498.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,802.76 : 128,067.89 = 50,361.29 : x
  2. Step 2: Convert to fraction form
    92,802.76/128,067.89 = 50,361.29/x
  3. Step 3: Cross multiply
    92,802.76x = 128,067.89 × 50,361.29
  4. Step 4: Simplify right side
    92,802.76x = 6,449,663,255.83
  5. Step 5: Solve for x
    x = 6,449,663,255.83/92,802.76
  6. Step 6: Final answer
    x = 69,498.62

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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.