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Finding the Fourth Proportional to 63,190.32, 87,202.32 and 34,896

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Solution

The fourth proportional to 63,190.32, 87,202.32 and 34,896 is: 48,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,190.32 : 87,202.32 = 34,896 : x
  2. Step 2: Convert to fraction form
    63,190.32/87,202.32 = 34,896/x
  3. Step 3: Cross multiply
    63,190.32x = 87,202.32 × 34,896
  4. Step 4: Simplify right side
    63,190.32x = 3,043,012,158.72
  5. Step 5: Solve for x
    x = 3,043,012,158.72/63,190.32
  6. Step 6: Final answer
    x = 48,156.30

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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.