Home / 85,512.24-118,004.85-47,793.78

Finding the Fourth Proportional to 85,512.24, 118,004.85 and 47,793.78

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Solution

The fourth proportional to 85,512.24, 118,004.85 and 47,793.78 is: 65,954.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,512.24 : 118,004.85 = 47,793.78 : x
  2. Step 2: Convert to fraction form
    85,512.24/118,004.85 = 47,793.78/x
  3. Step 3: Cross multiply
    85,512.24x = 118,004.85 × 47,793.78
  4. Step 4: Simplify right side
    85,512.24x = 5,639,897,839.83
  5. Step 5: Solve for x
    x = 5,639,897,839.83/85,512.24
  6. Step 6: Final answer
    x = 65,954.28

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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.