Home / 85,267.38-127,901.31-29,850.42

Finding the Fourth Proportional to 85,267.38, 127,901.31 and 29,850.42

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Solution

The fourth proportional to 85,267.38, 127,901.31 and 29,850.42 is: 44,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,267.38 : 127,901.31 = 29,850.42 : x
  2. Step 2: Convert to fraction form
    85,267.38/127,901.31 = 29,850.42/x
  3. Step 3: Cross multiply
    85,267.38x = 127,901.31 × 29,850.42
  4. Step 4: Simplify right side
    85,267.38x = 3,817,907,822.05
  5. Step 5: Solve for x
    x = 3,817,907,822.05/85,267.38
  6. Step 6: Final answer
    x = 44,775.71

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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.