Home / 81,973.39-122,976.87-34,588.50

Finding the Fourth Proportional to 81,973.39, 122,976.87 and 34,588.50

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Solution

The fourth proportional to 81,973.39, 122,976.87 and 34,588.50 is: 51,889.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,973.39 : 122,976.87 = 34,588.50 : x
  2. Step 2: Convert to fraction form
    81,973.39/122,976.87 = 34,588.50/x
  3. Step 3: Cross multiply
    81,973.39x = 122,976.87 × 34,588.50
  4. Step 4: Simplify right side
    81,973.39x = 4,253,585,468.00
  5. Step 5: Solve for x
    x = 4,253,585,468.00/81,973.39
  6. Step 6: Final answer
    x = 51,889.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.