Home / 75,816.58-104,594.68-55,638.46

Finding the Fourth Proportional to 75,816.58, 104,594.68 and 55,638.46

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Solution

The fourth proportional to 75,816.58, 104,594.68 and 55,638.46 is: 76,757.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,816.58 : 104,594.68 = 55,638.46 : x
  2. Step 2: Convert to fraction form
    75,816.58/104,594.68 = 55,638.46/x
  3. Step 3: Cross multiply
    75,816.58x = 104,594.68 × 55,638.46
  4. Step 4: Simplify right side
    75,816.58x = 5,819,486,919.39
  5. Step 5: Solve for x
    x = 5,819,486,919.39/75,816.58
  6. Step 6: Final answer
    x = 76,757.44

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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.