Home / 53,816.20-80,627.10-33,015.40

Finding the Fourth Proportional to 53,816.20, 80,627.10 and 33,015.40

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Solution

The fourth proportional to 53,816.20, 80,627.10 and 33,015.40 is: 49,463.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,816.20 : 80,627.10 = 33,015.40 : x
  2. Step 2: Convert to fraction form
    53,816.20/80,627.10 = 33,015.40/x
  3. Step 3: Cross multiply
    53,816.20x = 80,627.10 × 33,015.40
  4. Step 4: Simplify right side
    53,816.20x = 2,661,935,957.34
  5. Step 5: Solve for x
    x = 2,661,935,957.34/53,816.20
  6. Step 6: Final answer
    x = 49,463.47

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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.