Home / 53,621.80-80,412.10-25,520.20

Finding the Fourth Proportional to 53,621.80, 80,412.10 and 25,520.20

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Solution

The fourth proportional to 53,621.80, 80,412.10 and 25,520.20 is: 38,270.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,621.80 : 80,412.10 = 25,520.20 : x
  2. Step 2: Convert to fraction form
    53,621.80/80,412.10 = 25,520.20/x
  3. Step 3: Cross multiply
    53,621.80x = 80,412.10 × 25,520.20
  4. Step 4: Simplify right side
    53,621.80x = 2,052,132,874.42
  5. Step 5: Solve for x
    x = 2,052,132,874.42/53,621.80
  6. Step 6: Final answer
    x = 38,270.50

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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.