Home / 53,420.45-80,170.05-25,340.59

Finding the Fourth Proportional to 53,420.45, 80,170.05 and 25,340.59

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Solution

The fourth proportional to 53,420.45, 80,170.05 and 25,340.59 is: 38,029.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,420.45 : 80,170.05 = 25,340.59 : x
  2. Step 2: Convert to fraction form
    53,420.45/80,170.05 = 25,340.59/x
  3. Step 3: Cross multiply
    53,420.45x = 80,170.05 × 25,340.59
  4. Step 4: Simplify right side
    53,420.45x = 2,031,556,166.90
  5. Step 5: Solve for x
    x = 2,031,556,166.90/53,420.45
  6. Step 6: Final answer
    x = 38,029.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.