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Finding the Fourth Proportional to 85,596.28, 128,324.84 and 35,713.54

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Solution

The fourth proportional to 85,596.28, 128,324.84 and 35,713.54 is: 53,541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,596.28 : 128,324.84 = 35,713.54 : x
  2. Step 2: Convert to fraction form
    85,596.28/128,324.84 = 35,713.54/x
  3. Step 3: Cross multiply
    85,596.28x = 128,324.84 × 35,713.54
  4. Step 4: Simplify right side
    85,596.28x = 4,582,934,288.17
  5. Step 5: Solve for x
    x = 4,582,934,288.17/85,596.28
  6. Step 6: Final answer
    x = 53,541.28

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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.