Home / 75,609.68-104,323.52-63,555.98

Finding the Fourth Proportional to 75,609.68, 104,323.52 and 63,555.98

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Solution

The fourth proportional to 75,609.68, 104,323.52 and 63,555.98 is: 87,692.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,609.68 : 104,323.52 = 63,555.98 : x
  2. Step 2: Convert to fraction form
    75,609.68/104,323.52 = 63,555.98/x
  3. Step 3: Cross multiply
    75,609.68x = 104,323.52 × 63,555.98
  4. Step 4: Simplify right side
    75,609.68x = 6,630,383,550.65
  5. Step 5: Solve for x
    x = 6,630,383,550.65/75,609.68
  6. Step 6: Final answer
    x = 87,692.26

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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.