Home / 57,238.02-85,855.20-15,116.80

Finding the Fourth Proportional to 57,238.02, 85,855.20 and 15,116.80

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Solution

The fourth proportional to 57,238.02, 85,855.20 and 15,116.80 is: 22,674.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,238.02 : 85,855.20 = 15,116.80 : x
  2. Step 2: Convert to fraction form
    57,238.02/85,855.20 = 15,116.80/x
  3. Step 3: Cross multiply
    57,238.02x = 85,855.20 × 15,116.80
  4. Step 4: Simplify right side
    57,238.02x = 1,297,855,887.36
  5. Step 5: Solve for x
    x = 1,297,855,887.36/57,238.02
  6. Step 6: Final answer
    x = 22,674.72

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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.