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Finding the Fourth Proportional to 88,999.80, 133,519.70 and 29,833.96

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Solution

The fourth proportional to 88,999.80, 133,519.70 and 29,833.96 is: 44,757.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,999.80 : 133,519.70 = 29,833.96 : x
  2. Step 2: Convert to fraction form
    88,999.80/133,519.70 = 29,833.96/x
  3. Step 3: Cross multiply
    88,999.80x = 133,519.70 × 29,833.96
  4. Step 4: Simplify right side
    88,999.80x = 3,983,421,389.01
  5. Step 5: Solve for x
    x = 3,983,421,389.01/88,999.80
  6. Step 6: Final answer
    x = 44,757.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.