Home / 75,628.50-104,367.33-42,093.78

Finding the Fourth Proportional to 75,628.50, 104,367.33 and 42,093.78

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Solution

The fourth proportional to 75,628.50, 104,367.33 and 42,093.78 is: 58,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,628.50 : 104,367.33 = 42,093.78 : x
  2. Step 2: Convert to fraction form
    75,628.50/104,367.33 = 42,093.78/x
  3. Step 3: Cross multiply
    75,628.50x = 104,367.33 × 42,093.78
  4. Step 4: Simplify right side
    75,628.50x = 4,393,215,428.21
  5. Step 5: Solve for x
    x = 4,393,215,428.21/75,628.50
  6. Step 6: Final answer
    x = 58,089.42

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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.