Home / 89,364.92-133,996.14-36,731

Finding the Fourth Proportional to 89,364.92, 133,996.14 and 36,731

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Solution

The fourth proportional to 89,364.92, 133,996.14 and 36,731 is: 55,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,364.92 : 133,996.14 = 36,731 : x
  2. Step 2: Convert to fraction form
    89,364.92/133,996.14 = 36,731/x
  3. Step 3: Cross multiply
    89,364.92x = 133,996.14 × 36,731
  4. Step 4: Simplify right side
    89,364.92x = 4,921,812,218.34
  5. Step 5: Solve for x
    x = 4,921,812,218.34/89,364.92
  6. Step 6: Final answer
    x = 55,075.44

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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.