Home / 85,163.51-127,624.82-47,229.57

Finding the Fourth Proportional to 85,163.51, 127,624.82 and 47,229.57

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Solution

The fourth proportional to 85,163.51, 127,624.82 and 47,229.57 is: 70,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,163.51 : 127,624.82 = 47,229.57 : x
  2. Step 2: Convert to fraction form
    85,163.51/127,624.82 = 47,229.57/x
  3. Step 3: Cross multiply
    85,163.51x = 127,624.82 × 47,229.57
  4. Step 4: Simplify right side
    85,163.51x = 6,027,665,133.78
  5. Step 5: Solve for x
    x = 6,027,665,133.78/85,163.51
  6. Step 6: Final answer
    x = 70,777.55

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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.