Home / 63,631.09-87,811.63-34,951.43

Finding the Fourth Proportional to 63,631.09, 87,811.63 and 34,951.43

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Solution

The fourth proportional to 63,631.09, 87,811.63 and 34,951.43 is: 48,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,631.09 : 87,811.63 = 34,951.43 : x
  2. Step 2: Convert to fraction form
    63,631.09/87,811.63 = 34,951.43/x
  3. Step 3: Cross multiply
    63,631.09x = 87,811.63 × 34,951.43
  4. Step 4: Simplify right side
    63,631.09x = 3,069,142,171.28
  5. Step 5: Solve for x
    x = 3,069,142,171.28/63,631.09
  6. Step 6: Final answer
    x = 48,233.38

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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.