Home / 92,474.20-127,498.71-77,182.75

Finding the Fourth Proportional to 92,474.20, 127,498.71 and 77,182.75

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Solution

The fourth proportional to 92,474.20, 127,498.71 and 77,182.75 is: 106,415.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,474.20 : 127,498.71 = 77,182.75 : x
  2. Step 2: Convert to fraction form
    92,474.20/127,498.71 = 77,182.75/x
  3. Step 3: Cross multiply
    92,474.20x = 127,498.71 × 77,182.75
  4. Step 4: Simplify right side
    92,474.20x = 9,840,701,059.25
  5. Step 5: Solve for x
    x = 9,840,701,059.25/92,474.20
  6. Step 6: Final answer
    x = 106,415.64

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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.