Home / 55,455.20-83,182.80-53,997.20

Finding the Fourth Proportional to 55,455.20, 83,182.80 and 53,997.20

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Solution

The fourth proportional to 55,455.20, 83,182.80 and 53,997.20 is: 80,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,455.20 : 83,182.80 = 53,997.20 : x
  2. Step 2: Convert to fraction form
    55,455.20/83,182.80 = 53,997.20/x
  3. Step 3: Cross multiply
    55,455.20x = 83,182.80 × 53,997.20
  4. Step 4: Simplify right side
    55,455.20x = 4,491,638,288.16
  5. Step 5: Solve for x
    x = 4,491,638,288.16/55,455.20
  6. Step 6: Final answer
    x = 80,995.80

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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.