Home / 84,723.20-127,027.20-40,371.20

Finding the Fourth Proportional to 84,723.20, 127,027.20 and 40,371.20

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Solution

The fourth proportional to 84,723.20, 127,027.20 and 40,371.20 is: 60,529.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,723.20 : 127,027.20 = 40,371.20 : x
  2. Step 2: Convert to fraction form
    84,723.20/127,027.20 = 40,371.20/x
  3. Step 3: Cross multiply
    84,723.20x = 127,027.20 × 40,371.20
  4. Step 4: Simplify right side
    84,723.20x = 5,128,240,496.64
  5. Step 5: Solve for x
    x = 5,128,240,496.64/84,723.20
  6. Step 6: Final answer
    x = 60,529.35

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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.