Home / 53,967.20-80,853.60-33,166.40

Finding the Fourth Proportional to 53,967.20, 80,853.60 and 33,166.40

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Solution

The fourth proportional to 53,967.20, 80,853.60 and 33,166.40 is: 49,689.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,967.20 : 80,853.60 = 33,166.40 : x
  2. Step 2: Convert to fraction form
    53,967.20/80,853.60 = 33,166.40/x
  3. Step 3: Cross multiply
    53,967.20x = 80,853.60 × 33,166.40
  4. Step 4: Simplify right side
    53,967.20x = 2,681,622,839.04
  5. Step 5: Solve for x
    x = 2,681,622,839.04/53,967.20
  6. Step 6: Final answer
    x = 49,689.86

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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.