Home / 83,669.28-115,554.24-51,913.92

Finding the Fourth Proportional to 83,669.28, 115,554.24 and 51,913.92

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Solution

The fourth proportional to 83,669.28, 115,554.24 and 51,913.92 is: 71,697.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,669.28 : 115,554.24 = 51,913.92 : x
  2. Step 2: Convert to fraction form
    83,669.28/115,554.24 = 51,913.92/x
  3. Step 3: Cross multiply
    83,669.28x = 115,554.24 × 51,913.92
  4. Step 4: Simplify right side
    83,669.28x = 5,998,873,571.02
  5. Step 5: Solve for x
    x = 5,998,873,571.02/83,669.28
  6. Step 6: Final answer
    x = 71,697.44

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1.5x scale

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.