Home / 89,208.32-133,817.52-39,311.84

Finding the Fourth Proportional to 89,208.32, 133,817.52 and 39,311.84

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Solution

The fourth proportional to 89,208.32, 133,817.52 and 39,311.84 is: 58,969.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,208.32 : 133,817.52 = 39,311.84 : x
  2. Step 2: Convert to fraction form
    89,208.32/133,817.52 = 39,311.84/x
  3. Step 3: Cross multiply
    89,208.32x = 133,817.52 × 39,311.84
  4. Step 4: Simplify right side
    89,208.32x = 5,260,612,935.44
  5. Step 5: Solve for x
    x = 5,260,612,935.44/89,208.32
  6. Step 6: Final answer
    x = 58,969.98

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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.