Home / 75,385.56-104,025-43,550.16

Finding the Fourth Proportional to 75,385.56, 104,025 and 43,550.16

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Solution

The fourth proportional to 75,385.56, 104,025 and 43,550.16 is: 60,095.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,385.56 : 104,025 = 43,550.16 : x
  2. Step 2: Convert to fraction form
    75,385.56/104,025 = 43,550.16/x
  3. Step 3: Cross multiply
    75,385.56x = 104,025 × 43,550.16
  4. Step 4: Simplify right side
    75,385.56x = 4,530,305,394
  5. Step 5: Solve for x
    x = 4,530,305,394/75,385.56
  6. Step 6: Final answer
    x = 60,095.13

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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.