Home / 81,465.75-122,193.16-22,301.93

Finding the Fourth Proportional to 81,465.75, 122,193.16 and 22,301.93

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Solution

The fourth proportional to 81,465.75, 122,193.16 and 22,301.93 is: 33,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,465.75 : 122,193.16 = 22,301.93 : x
  2. Step 2: Convert to fraction form
    81,465.75/122,193.16 = 22,301.93/x
  3. Step 3: Cross multiply
    81,465.75x = 122,193.16 × 22,301.93
  4. Step 4: Simplify right side
    81,465.75x = 2,725,143,550.53
  5. Step 5: Solve for x
    x = 2,725,143,550.53/81,465.75
  6. Step 6: Final answer
    x = 33,451.40

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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.