Home / 92,474.06-127,702.35-87,436.37

Finding the Fourth Proportional to 92,474.06, 127,702.35 and 87,436.37

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Solution

The fourth proportional to 92,474.06, 127,702.35 and 87,436.37 is: 120,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,474.06 : 127,702.35 = 87,436.37 : x
  2. Step 2: Convert to fraction form
    92,474.06/127,702.35 = 87,436.37/x
  3. Step 3: Cross multiply
    92,474.06x = 127,702.35 × 87,436.37
  4. Step 4: Simplify right side
    92,474.06x = 11,165,830,243.73
  5. Step 5: Solve for x
    x = 11,165,830,243.73/92,474.06
  6. Step 6: Final answer
    x = 120,745.55

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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.