Home / 89,255.12-133,933.40-33,133.96

Finding the Fourth Proportional to 89,255.12, 133,933.40 and 33,133.96

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Solution

The fourth proportional to 89,255.12, 133,933.40 and 33,133.96 is: 49,719.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,255.12 : 133,933.40 = 33,133.96 : x
  2. Step 2: Convert to fraction form
    89,255.12/133,933.40 = 33,133.96/x
  3. Step 3: Cross multiply
    89,255.12x = 133,933.40 × 33,133.96
  4. Step 4: Simplify right side
    89,255.12x = 4,437,744,044.26
  5. Step 5: Solve for x
    x = 4,437,744,044.26/89,255.12
  6. Step 6: Final answer
    x = 49,719.77

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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.