Home / 85,039.88-117,358.58-47,314.44

Finding the Fourth Proportional to 85,039.88, 117,358.58 and 47,314.44

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Solution

The fourth proportional to 85,039.88, 117,358.58 and 47,314.44 is: 65,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,039.88 : 117,358.58 = 47,314.44 : x
  2. Step 2: Convert to fraction form
    85,039.88/117,358.58 = 47,314.44/x
  3. Step 3: Cross multiply
    85,039.88x = 117,358.58 × 47,314.44
  4. Step 4: Simplify right side
    85,039.88x = 5,552,755,491.90
  5. Step 5: Solve for x
    x = 5,552,755,491.90/85,039.88
  6. Step 6: Final answer
    x = 65,295.90

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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.