Home / 83,551.77-125,327.39-21,222.27

Finding the Fourth Proportional to 83,551.77, 125,327.39 and 21,222.27

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Solution

The fourth proportional to 83,551.77, 125,327.39 and 21,222.27 is: 31,833.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,551.77 : 125,327.39 = 21,222.27 : x
  2. Step 2: Convert to fraction form
    83,551.77/125,327.39 = 21,222.27/x
  3. Step 3: Cross multiply
    83,551.77x = 125,327.39 × 21,222.27
  4. Step 4: Simplify right side
    83,551.77x = 2,659,731,602.86
  5. Step 5: Solve for x
    x = 2,659,731,602.86/83,551.77
  6. Step 6: Final answer
    x = 31,833.34

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1.5x scale

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.