Home / 53,647.20-80,470.40-16,207.20

Finding the Fourth Proportional to 53,647.20, 80,470.40 and 16,207.20

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Solution

The fourth proportional to 53,647.20, 80,470.40 and 16,207.20 is: 24,310.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,647.20 : 80,470.40 = 16,207.20 : x
  2. Step 2: Convert to fraction form
    53,647.20/80,470.40 = 16,207.20/x
  3. Step 3: Cross multiply
    53,647.20x = 80,470.40 × 16,207.20
  4. Step 4: Simplify right side
    53,647.20x = 1,304,199,866.88
  5. Step 5: Solve for x
    x = 1,304,199,866.88/53,647.20
  6. Step 6: Final answer
    x = 24,310.68

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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.