Home / 85,429.26-117,891.91-47,191.44

Finding the Fourth Proportional to 85,429.26, 117,891.91 and 47,191.44

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Solution

The fourth proportional to 85,429.26, 117,891.91 and 47,191.44 is: 65,123.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,429.26 : 117,891.91 = 47,191.44 : x
  2. Step 2: Convert to fraction form
    85,429.26/117,891.91 = 47,191.44/x
  3. Step 3: Cross multiply
    85,429.26x = 117,891.91 × 47,191.44
  4. Step 4: Simplify right side
    85,429.26x = 5,563,488,238.17
  5. Step 5: Solve for x
    x = 5,563,488,238.17/85,429.26
  6. Step 6: Final answer
    x = 65,123.92

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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.