Home / 85,738.26-118,318.77-47,500.29

Finding the Fourth Proportional to 85,738.26, 118,318.77 and 47,500.29

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Solution

The fourth proportional to 85,738.26, 118,318.77 and 47,500.29 is: 65,550.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,738.26 : 118,318.77 = 47,500.29 : x
  2. Step 2: Convert to fraction form
    85,738.26/118,318.77 = 47,500.29/x
  3. Step 3: Cross multiply
    85,738.26x = 118,318.77 × 47,500.29
  4. Step 4: Simplify right side
    85,738.26x = 5,620,175,887.44
  5. Step 5: Solve for x
    x = 5,620,175,887.44/85,738.26
  6. Step 6: Final answer
    x = 65,550.38

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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.