Home / 85,027.29-127,562.85-35,115.09

Finding the Fourth Proportional to 85,027.29, 127,562.85 and 35,115.09

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Solution

The fourth proportional to 85,027.29, 127,562.85 and 35,115.09 is: 52,681.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,027.29 : 127,562.85 = 35,115.09 : x
  2. Step 2: Convert to fraction form
    85,027.29/127,562.85 = 35,115.09/x
  3. Step 3: Cross multiply
    85,027.29x = 127,562.85 × 35,115.09
  4. Step 4: Simplify right side
    85,027.29x = 4,479,380,958.41
  5. Step 5: Solve for x
    x = 4,479,380,958.41/85,027.29
  6. Step 6: Final answer
    x = 52,681.69

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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.