Home / 57,271.55-85,442.30-54,171.48

Finding the Fourth Proportional to 57,271.55, 85,442.30 and 54,171.48

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Solution

The fourth proportional to 57,271.55, 85,442.30 and 54,171.48 is: 80,817.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,271.55 : 85,442.30 = 54,171.48 : x
  2. Step 2: Convert to fraction form
    57,271.55/85,442.30 = 54,171.48/x
  3. Step 3: Cross multiply
    57,271.55x = 85,442.30 × 54,171.48
  4. Step 4: Simplify right side
    57,271.55x = 4,628,535,981.03
  5. Step 5: Solve for x
    x = 4,628,535,981.03/57,271.55
  6. Step 6: Final answer
    x = 80,817.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.