Home / 84,205.14-116,222.58-55,529.95

Finding the Fourth Proportional to 84,205.14, 116,222.58 and 55,529.95

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Solution

The fourth proportional to 84,205.14, 116,222.58 and 55,529.95 is: 76,644.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,205.14 : 116,222.58 = 55,529.95 : x
  2. Step 2: Convert to fraction form
    84,205.14/116,222.58 = 55,529.95/x
  3. Step 3: Cross multiply
    84,205.14x = 116,222.58 × 55,529.95
  4. Step 4: Simplify right side
    84,205.14x = 6,453,834,056.27
  5. Step 5: Solve for x
    x = 6,453,834,056.27/84,205.14
  6. Step 6: Final answer
    x = 76,644.18

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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.