Home / 85,519.44-118,019.28-47,792.88

Finding the Fourth Proportional to 85,519.44, 118,019.28 and 47,792.88

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Solution

The fourth proportional to 85,519.44, 118,019.28 and 47,792.88 is: 65,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,519.44 : 118,019.28 = 47,792.88 : x
  2. Step 2: Convert to fraction form
    85,519.44/118,019.28 = 47,792.88/x
  3. Step 3: Cross multiply
    85,519.44x = 118,019.28 × 47,792.88
  4. Step 4: Simplify right side
    85,519.44x = 5,640,481,286.73
  5. Step 5: Solve for x
    x = 5,640,481,286.73/85,519.44
  6. Step 6: Final answer
    x = 65,955.55

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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.