Home / 89,011.14-133,424.45-55,654.61

Finding the Fourth Proportional to 89,011.14, 133,424.45 and 55,654.61

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Solution

The fourth proportional to 89,011.14, 133,424.45 and 55,654.61 is: 83,424.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,011.14 : 133,424.45 = 55,654.61 : x
  2. Step 2: Convert to fraction form
    89,011.14/133,424.45 = 55,654.61/x
  3. Step 3: Cross multiply
    89,011.14x = 133,424.45 × 55,654.61
  4. Step 4: Simplify right side
    89,011.14x = 7,425,685,450.94
  5. Step 5: Solve for x
    x = 7,425,685,450.94/89,011.14
  6. Step 6: Final answer
    x = 83,424.23

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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.