Home / 81,173.46-112,053.87-49,352.52

Finding the Fourth Proportional to 81,173.46, 112,053.87 and 49,352.52

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Solution

The fourth proportional to 81,173.46, 112,053.87 and 49,352.52 is: 68,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,173.46 : 112,053.87 = 49,352.52 : x
  2. Step 2: Convert to fraction form
    81,173.46/112,053.87 = 49,352.52/x
  3. Step 3: Cross multiply
    81,173.46x = 112,053.87 × 49,352.52
  4. Step 4: Simplify right side
    81,173.46x = 5,530,140,860.25
  5. Step 5: Solve for x
    x = 5,530,140,860.25/81,173.46
  6. Step 6: Final answer
    x = 68,127.45

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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.