Home / 92,131.25-127,139.63-51,844.99

Finding the Fourth Proportional to 92,131.25, 127,139.63 and 51,844.99

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Solution

The fourth proportional to 92,131.25, 127,139.63 and 51,844.99 is: 71,545.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,131.25 : 127,139.63 = 51,844.99 : x
  2. Step 2: Convert to fraction form
    92,131.25/127,139.63 = 51,844.99/x
  3. Step 3: Cross multiply
    92,131.25x = 127,139.63 × 51,844.99
  4. Step 4: Simplify right side
    92,131.25x = 6,591,552,845.95
  5. Step 5: Solve for x
    x = 6,591,552,845.95/92,131.25
  6. Step 6: Final answer
    x = 71,545.24

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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.