Home / 69,051.15-95,350.37-65,508.21

Finding the Fourth Proportional to 69,051.15, 95,350.37 and 65,508.21

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Solution

The fourth proportional to 69,051.15, 95,350.37 and 65,508.21 is: 90,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,051.15 : 95,350.37 = 65,508.21 : x
  2. Step 2: Convert to fraction form
    69,051.15/95,350.37 = 65,508.21/x
  3. Step 3: Cross multiply
    69,051.15x = 95,350.37 × 65,508.21
  4. Step 4: Simplify right side
    69,051.15x = 6,246,231,734.00
  5. Step 5: Solve for x
    x = 6,246,231,734.00/69,051.15
  6. Step 6: Final answer
    x = 90,458.04

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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.