Home / 53,712.20-80,569.89-25,635.21

Finding the Fourth Proportional to 53,712.20, 80,569.89 and 25,635.21

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Solution

The fourth proportional to 53,712.20, 80,569.89 and 25,635.21 is: 38,453.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,712.20 : 80,569.89 = 25,635.21 : x
  2. Step 2: Convert to fraction form
    53,712.20/80,569.89 = 25,635.21/x
  3. Step 3: Cross multiply
    53,712.20x = 80,569.89 × 25,635.21
  4. Step 4: Simplify right side
    53,712.20x = 2,065,426,049.83
  5. Step 5: Solve for x
    x = 2,065,426,049.83/53,712.20
  6. Step 6: Final answer
    x = 38,453.57

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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.