Home / 85,519.57-118,006.78-47,273.97

Finding the Fourth Proportional to 85,519.57, 118,006.78 and 47,273.97

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Solution

The fourth proportional to 85,519.57, 118,006.78 and 47,273.97 is: 65,232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,519.57 : 118,006.78 = 47,273.97 : x
  2. Step 2: Convert to fraction form
    85,519.57/118,006.78 = 47,273.97/x
  3. Step 3: Cross multiply
    85,519.57x = 118,006.78 × 47,273.97
  4. Step 4: Simplify right side
    85,519.57x = 5,578,648,977.52
  5. Step 5: Solve for x
    x = 5,578,648,977.52/85,519.57
  6. Step 6: Final answer
    x = 65,232.43

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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.