Home / 92,954.74-128,278.36-50,513.28

Finding the Fourth Proportional to 92,954.74, 128,278.36 and 50,513.28

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Solution

The fourth proportional to 92,954.74, 128,278.36 and 50,513.28 is: 69,708.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,954.74 : 128,278.36 = 50,513.28 : x
  2. Step 2: Convert to fraction form
    92,954.74/128,278.36 = 50,513.28/x
  3. Step 3: Cross multiply
    92,954.74x = 128,278.36 × 50,513.28
  4. Step 4: Simplify right side
    92,954.74x = 6,479,760,716.62
  5. Step 5: Solve for x
    x = 6,479,760,716.62/92,954.74
  6. Step 6: Final answer
    x = 69,708.77

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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.