Home / 63,550.55-87,663.32-39,635.71

Finding the Fourth Proportional to 63,550.55, 87,663.32 and 39,635.71

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Solution

The fourth proportional to 63,550.55, 87,663.32 and 39,635.71 is: 54,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,550.55 : 87,663.32 = 39,635.71 : x
  2. Step 2: Convert to fraction form
    63,550.55/87,663.32 = 39,635.71/x
  3. Step 3: Cross multiply
    63,550.55x = 87,663.32 × 39,635.71
  4. Step 4: Simplify right side
    63,550.55x = 3,474,597,490.84
  5. Step 5: Solve for x
    x = 3,474,597,490.84/63,550.55
  6. Step 6: Final answer
    x = 54,674.55

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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.