Home / 81,124.03-121,671.01-21,952.01

Finding the Fourth Proportional to 81,124.03, 121,671.01 and 21,952.01

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Solution

The fourth proportional to 81,124.03, 121,671.01 and 21,952.01 is: 32,923.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,124.03 : 121,671.01 = 21,952.01 : x
  2. Step 2: Convert to fraction form
    81,124.03/121,671.01 = 21,952.01/x
  3. Step 3: Cross multiply
    81,124.03x = 121,671.01 × 21,952.01
  4. Step 4: Simplify right side
    81,124.03x = 2,670,923,559.85
  5. Step 5: Solve for x
    x = 2,670,923,559.85/81,124.03
  6. Step 6: Final answer
    x = 32,923.95

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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.