Home / 76,227.28-105,198.75-42,237.25

Finding the Fourth Proportional to 76,227.28, 105,198.75 and 42,237.25

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Solution

The fourth proportional to 76,227.28, 105,198.75 and 42,237.25 is: 58,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,227.28 : 105,198.75 = 42,237.25 : x
  2. Step 2: Convert to fraction form
    76,227.28/105,198.75 = 42,237.25/x
  3. Step 3: Cross multiply
    76,227.28x = 105,198.75 × 42,237.25
  4. Step 4: Simplify right side
    76,227.28x = 4,443,305,640.44
  5. Step 5: Solve for x
    x = 4,443,305,640.44/76,227.28
  6. Step 6: Final answer
    x = 58,290.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.