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Finding the Fourth Proportional to 84,692.32, 127,016.32 and 40,230.64

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Solution

The fourth proportional to 84,692.32, 127,016.32 and 40,230.64 is: 60,335.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,692.32 : 127,016.32 = 40,230.64 : x
  2. Step 2: Convert to fraction form
    84,692.32/127,016.32 = 40,230.64/x
  3. Step 3: Cross multiply
    84,692.32x = 127,016.32 × 40,230.64
  4. Step 4: Simplify right side
    84,692.32x = 5,109,947,844.04
  5. Step 5: Solve for x
    x = 5,109,947,844.04/84,692.32
  6. Step 6: Final answer
    x = 60,335.43

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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.