Home / 92,987.44-128,322.57-50,546.28

Finding the Fourth Proportional to 92,987.44, 128,322.57 and 50,546.28

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Solution

The fourth proportional to 92,987.44, 128,322.57 and 50,546.28 is: 69,753.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,987.44 : 128,322.57 = 50,546.28 : x
  2. Step 2: Convert to fraction form
    92,987.44/128,322.57 = 50,546.28/x
  3. Step 3: Cross multiply
    92,987.44x = 128,322.57 × 50,546.28
  4. Step 4: Simplify right side
    92,987.44x = 6,486,227,911.93
  5. Step 5: Solve for x
    x = 6,486,227,911.93/92,987.44
  6. Step 6: Final answer
    x = 69,753.81

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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.