Home / 85,508.26-128,317.47-46,092.85

Finding the Fourth Proportional to 85,508.26, 128,317.47 and 46,092.85

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Solution

The fourth proportional to 85,508.26, 128,317.47 and 46,092.85 is: 69,168.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,508.26 : 128,317.47 = 46,092.85 : x
  2. Step 2: Convert to fraction form
    85,508.26/128,317.47 = 46,092.85/x
  3. Step 3: Cross multiply
    85,508.26x = 128,317.47 × 46,092.85
  4. Step 4: Simplify right side
    85,508.26x = 5,914,517,403.45
  5. Step 5: Solve for x
    x = 5,914,517,403.45/85,508.26
  6. Step 6: Final answer
    x = 69,168.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.