Home / 64,675.10-89,245.32-36,380.18

Finding the Fourth Proportional to 64,675.10, 89,245.32 and 36,380.18

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Solution

The fourth proportional to 64,675.10, 89,245.32 and 36,380.18 is: 50,201.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,675.10 : 89,245.32 = 36,380.18 : x
  2. Step 2: Convert to fraction form
    64,675.10/89,245.32 = 36,380.18/x
  3. Step 3: Cross multiply
    64,675.10x = 89,245.32 × 36,380.18
  4. Step 4: Simplify right side
    64,675.10x = 3,246,760,805.76
  5. Step 5: Solve for x
    x = 3,246,760,805.76/64,675.10
  6. Step 6: Final answer
    x = 50,201.09

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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.