Home / 63,550.44-87,663.15-39,635.60

Finding the Fourth Proportional to 63,550.44, 87,663.15 and 39,635.60

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Solution

The fourth proportional to 63,550.44, 87,663.15 and 39,635.60 is: 54,674.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,550.44 : 87,663.15 = 39,635.60 : x
  2. Step 2: Convert to fraction form
    63,550.44/87,663.15 = 39,635.60/x
  3. Step 3: Cross multiply
    63,550.44x = 87,663.15 × 39,635.60
  4. Step 4: Simplify right side
    63,550.44x = 3,474,581,109.82
  5. Step 5: Solve for x
    x = 3,474,581,109.82/63,550.44
  6. Step 6: Final answer
    x = 54,674.38

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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.