Home / 84,982.56-127,473.72-40,474.32

Finding the Fourth Proportional to 84,982.56, 127,473.72 and 40,474.32

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Solution

The fourth proportional to 84,982.56, 127,473.72 and 40,474.32 is: 60,711.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,982.56 : 127,473.72 = 40,474.32 : x
  2. Step 2: Convert to fraction form
    84,982.56/127,473.72 = 40,474.32/x
  3. Step 3: Cross multiply
    84,982.56x = 127,473.72 × 40,474.32
  4. Step 4: Simplify right side
    84,982.56x = 5,159,412,134.87
  5. Step 5: Solve for x
    x = 5,159,412,134.87/84,982.56
  6. Step 6: Final answer
    x = 60,711.42

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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.