Home / 81,224.52-121,822.76-22,064.94

Finding the Fourth Proportional to 81,224.52, 121,822.76 and 22,064.94

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Solution

The fourth proportional to 81,224.52, 121,822.76 and 22,064.94 is: 33,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,224.52 : 121,822.76 = 22,064.94 : x
  2. Step 2: Convert to fraction form
    81,224.52/121,822.76 = 22,064.94/x
  3. Step 3: Cross multiply
    81,224.52x = 121,822.76 × 22,064.94
  4. Step 4: Simplify right side
    81,224.52x = 2,688,011,890.03
  5. Step 5: Solve for x
    x = 2,688,011,890.03/81,224.52
  6. Step 6: Final answer
    x = 33,093.60

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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.