Home / 85,242.27-127,956.87-35,357.34

Finding the Fourth Proportional to 85,242.27, 127,956.87 and 35,357.34

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Solution

The fourth proportional to 85,242.27, 127,956.87 and 35,357.34 is: 53,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,242.27 : 127,956.87 = 35,357.34 : x
  2. Step 2: Convert to fraction form
    85,242.27/127,956.87 = 35,357.34/x
  3. Step 3: Cross multiply
    85,242.27x = 127,956.87 × 35,357.34
  4. Step 4: Simplify right side
    85,242.27x = 4,524,214,557.93
  5. Step 5: Solve for x
    x = 4,524,214,557.93/85,242.27
  6. Step 6: Final answer
    x = 53,074.78

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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.