Home / 89,139.84-133,660.44-36,586.32

Finding the Fourth Proportional to 89,139.84, 133,660.44 and 36,586.32

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Solution

The fourth proportional to 89,139.84, 133,660.44 and 36,586.32 is: 54,859.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,139.84 : 133,660.44 = 36,586.32 : x
  2. Step 2: Convert to fraction form
    89,139.84/133,660.44 = 36,586.32/x
  3. Step 3: Cross multiply
    89,139.84x = 133,660.44 × 36,586.32
  4. Step 4: Simplify right side
    89,139.84x = 4,890,143,629.18
  5. Step 5: Solve for x
    x = 4,890,143,629.18/89,139.84
  6. Step 6: Final answer
    x = 54,859.24

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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.