Home / 84,814.28-127,027.65-40,472.17

Finding the Fourth Proportional to 84,814.28, 127,027.65 and 40,472.17

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Solution

The fourth proportional to 84,814.28, 127,027.65 and 40,472.17 is: 60,615.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,814.28 : 127,027.65 = 40,472.17 : x
  2. Step 2: Convert to fraction form
    84,814.28/127,027.65 = 40,472.17/x
  3. Step 3: Cross multiply
    84,814.28x = 127,027.65 × 40,472.17
  4. Step 4: Simplify right side
    84,814.28x = 5,141,084,989.12
  5. Step 5: Solve for x
    x = 5,141,084,989.12/84,814.28
  6. Step 6: Final answer
    x = 60,615.79

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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.