Home / 75,563.42-104,305.59-64,910.30

Finding the Fourth Proportional to 75,563.42, 104,305.59 and 64,910.30

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Solution

The fourth proportional to 75,563.42, 104,305.59 and 64,910.30 is: 89,600.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,563.42 : 104,305.59 = 64,910.30 : x
  2. Step 2: Convert to fraction form
    75,563.42/104,305.59 = 64,910.30/x
  3. Step 3: Cross multiply
    75,563.42x = 104,305.59 × 64,910.30
  4. Step 4: Simplify right side
    75,563.42x = 6,770,507,138.58
  5. Step 5: Solve for x
    x = 6,770,507,138.58/75,563.42
  6. Step 6: Final answer
    x = 89,600.33

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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.