Home / 92,749.84-127,983.12-51,912.88

Finding the Fourth Proportional to 92,749.84, 127,983.12 and 51,912.88

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Solution

The fourth proportional to 92,749.84, 127,983.12 and 51,912.88 is: 71,633.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,749.84 : 127,983.12 = 51,912.88 : x
  2. Step 2: Convert to fraction form
    92,749.84/127,983.12 = 51,912.88/x
  3. Step 3: Cross multiply
    92,749.84x = 127,983.12 × 51,912.88
  4. Step 4: Simplify right side
    92,749.84x = 6,643,972,350.59
  5. Step 5: Solve for x
    x = 6,643,972,350.59/92,749.84
  6. Step 6: Final answer
    x = 71,633.25

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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.