Home / 92,659.20-127,869.96-54,411.36

Finding the Fourth Proportional to 92,659.20, 127,869.96 and 54,411.36

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Solution

The fourth proportional to 92,659.20, 127,869.96 and 54,411.36 is: 75,087.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,659.20 : 127,869.96 = 54,411.36 : x
  2. Step 2: Convert to fraction form
    92,659.20/127,869.96 = 54,411.36/x
  3. Step 3: Cross multiply
    92,659.20x = 127,869.96 × 54,411.36
  4. Step 4: Simplify right side
    92,659.20x = 6,957,578,426.75
  5. Step 5: Solve for x
    x = 6,957,578,426.75/92,659.20
  6. Step 6: Final answer
    x = 75,087.83

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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.