Home / 53,025.35-73,174.20-28,825.51

Finding the Fourth Proportional to 53,025.35, 73,174.20 and 28,825.51

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Solution

The fourth proportional to 53,025.35, 73,174.20 and 28,825.51 is: 39,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,025.35 : 73,174.20 = 28,825.51 : x
  2. Step 2: Convert to fraction form
    53,025.35/73,174.20 = 28,825.51/x
  3. Step 3: Cross multiply
    53,025.35x = 73,174.20 × 28,825.51
  4. Step 4: Simplify right side
    53,025.35x = 2,109,283,489.71
  5. Step 5: Solve for x
    x = 2,109,283,489.71/53,025.35
  6. Step 6: Final answer
    x = 39,778.78

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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.