Home / 53,589.20-80,470.20-36,136.40

Finding the Fourth Proportional to 53,589.20, 80,470.20 and 36,136.40

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Solution

The fourth proportional to 53,589.20, 80,470.20 and 36,136.40 is: 54,262.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,589.20 : 80,470.20 = 36,136.40 : x
  2. Step 2: Convert to fraction form
    53,589.20/80,470.20 = 36,136.40/x
  3. Step 3: Cross multiply
    53,589.20x = 80,470.20 × 36,136.40
  4. Step 4: Simplify right side
    53,589.20x = 2,907,903,335.28
  5. Step 5: Solve for x
    x = 2,907,903,335.28/53,589.20
  6. Step 6: Final answer
    x = 54,262.86

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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.