Home / 76,029.28-104,894.68-49,205.68

Finding the Fourth Proportional to 76,029.28, 104,894.68 and 49,205.68

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Solution

The fourth proportional to 76,029.28, 104,894.68 and 49,205.68 is: 67,887.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,029.28 : 104,894.68 = 49,205.68 : x
  2. Step 2: Convert to fraction form
    76,029.28/104,894.68 = 49,205.68/x
  3. Step 3: Cross multiply
    76,029.28x = 104,894.68 × 49,205.68
  4. Step 4: Simplify right side
    76,029.28x = 5,161,414,057.78
  5. Step 5: Solve for x
    x = 5,161,414,057.78/76,029.28
  6. Step 6: Final answer
    x = 67,887.19

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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.