Home / 85,004.50-117,306.21-47,277.94

Finding the Fourth Proportional to 85,004.50, 117,306.21 and 47,277.94

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Solution

The fourth proportional to 85,004.50, 117,306.21 and 47,277.94 is: 65,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,004.50 : 117,306.21 = 47,277.94 : x
  2. Step 2: Convert to fraction form
    85,004.50/117,306.21 = 47,277.94/x
  3. Step 3: Cross multiply
    85,004.50x = 117,306.21 × 47,277.94
  4. Step 4: Simplify right side
    85,004.50x = 5,545,995,958.01
  5. Step 5: Solve for x
    x = 5,545,995,958.01/85,004.50
  6. Step 6: Final answer
    x = 65,243.56

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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.