Home / 53,477.40-80,216.10-50,626.20

Finding the Fourth Proportional to 53,477.40, 80,216.10 and 50,626.20

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Solution

The fourth proportional to 53,477.40, 80,216.10 and 50,626.20 is: 75,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,477.40 : 80,216.10 = 50,626.20 : x
  2. Step 2: Convert to fraction form
    53,477.40/80,216.10 = 50,626.20/x
  3. Step 3: Cross multiply
    53,477.40x = 80,216.10 × 50,626.20
  4. Step 4: Simplify right side
    53,477.40x = 4,061,036,321.82
  5. Step 5: Solve for x
    x = 4,061,036,321.82/53,477.40
  6. Step 6: Final answer
    x = 75,939.30

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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.