Home / 92,673.12-127,889.37-50,231.28

Finding the Fourth Proportional to 92,673.12, 127,889.37 and 50,231.28

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Solution

The fourth proportional to 92,673.12, 127,889.37 and 50,231.28 is: 69,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,673.12 : 127,889.37 = 50,231.28 : x
  2. Step 2: Convert to fraction form
    92,673.12/127,889.37 = 50,231.28/x
  3. Step 3: Cross multiply
    92,673.12x = 127,889.37 × 50,231.28
  4. Step 4: Simplify right side
    92,673.12x = 6,424,046,753.49
  5. Step 5: Solve for x
    x = 6,424,046,753.49/92,673.12
  6. Step 6: Final answer
    x = 69,319.42

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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.