Home / 53,443.40-80,165.10-25,744.20

Finding the Fourth Proportional to 53,443.40, 80,165.10 and 25,744.20

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Solution

The fourth proportional to 53,443.40, 80,165.10 and 25,744.20 is: 38,616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,443.40 : 80,165.10 = 25,744.20 : x
  2. Step 2: Convert to fraction form
    53,443.40/80,165.10 = 25,744.20/x
  3. Step 3: Cross multiply
    53,443.40x = 80,165.10 × 25,744.20
  4. Step 4: Simplify right side
    53,443.40x = 2,063,786,367.42
  5. Step 5: Solve for x
    x = 2,063,786,367.42/53,443.40
  6. Step 6: Final answer
    x = 38,616.30

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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.