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Finding the Fourth Proportional to 92,642.36, 127,846.89 and 50,200.88

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Solution

The fourth proportional to 92,642.36, 127,846.89 and 50,200.88 is: 69,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,642.36 : 127,846.89 = 50,200.88 : x
  2. Step 2: Convert to fraction form
    92,642.36/127,846.89 = 50,200.88/x
  3. Step 3: Cross multiply
    92,642.36x = 127,846.89 × 50,200.88
  4. Step 4: Simplify right side
    92,642.36x = 6,418,025,744.03
  5. Step 5: Solve for x
    x = 6,418,025,744.03/92,642.36
  6. Step 6: Final answer
    x = 69,277.45

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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.