Home / 92,631.71-127,832.31-50,190.28

Finding the Fourth Proportional to 92,631.71, 127,832.31 and 50,190.28

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Solution

The fourth proportional to 92,631.71, 127,832.31 and 50,190.28 is: 69,262.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,631.71 : 127,832.31 = 50,190.28 : x
  2. Step 2: Convert to fraction form
    92,631.71/127,832.31 = 50,190.28/x
  3. Step 3: Cross multiply
    92,631.71x = 127,832.31 × 50,190.28
  4. Step 4: Simplify right side
    92,631.71x = 6,415,939,112.37
  5. Step 5: Solve for x
    x = 6,415,939,112.37/92,631.71
  6. Step 6: Final answer
    x = 69,262.88

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1.5x scale

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.