Home / 85,555.85-118,067.82-47,313.41

Finding the Fourth Proportional to 85,555.85, 118,067.82 and 47,313.41

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Solution

The fourth proportional to 85,555.85, 118,067.82 and 47,313.41 is: 65,292.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,555.85 : 118,067.82 = 47,313.41 : x
  2. Step 2: Convert to fraction form
    85,555.85/118,067.82 = 47,313.41/x
  3. Step 3: Cross multiply
    85,555.85x = 118,067.82 × 47,313.41
  4. Step 4: Simplify right side
    85,555.85x = 5,586,191,175.47
  5. Step 5: Solve for x
    x = 5,586,191,175.47/85,555.85
  6. Step 6: Final answer
    x = 65,292.92

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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.