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Finding the Fourth Proportional to 85,082.37, 127,623.56 and 22,751.25

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Solution

The fourth proportional to 85,082.37, 127,623.56 and 22,751.25 is: 34,126.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,082.37 : 127,623.56 = 22,751.25 : x
  2. Step 2: Convert to fraction form
    85,082.37/127,623.56 = 22,751.25/x
  3. Step 3: Cross multiply
    85,082.37x = 127,623.56 × 22,751.25
  4. Step 4: Simplify right side
    85,082.37x = 2,903,595,405.69
  5. Step 5: Solve for x
    x = 2,903,595,405.69/85,082.37
  6. Step 6: Final answer
    x = 34,126.88

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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.