Home / 89,129.24-133,603.84-55,872.61

Finding the Fourth Proportional to 89,129.24, 133,603.84 and 55,872.61

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Solution

The fourth proportional to 89,129.24, 133,603.84 and 55,872.61 is: 83,752.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,129.24 : 133,603.84 = 55,872.61 : x
  2. Step 2: Convert to fraction form
    89,129.24/133,603.84 = 55,872.61/x
  3. Step 3: Cross multiply
    89,129.24x = 133,603.84 × 55,872.61
  4. Step 4: Simplify right side
    89,129.24x = 7,464,795,246.82
  5. Step 5: Solve for x
    x = 7,464,795,246.82/89,129.24
  6. Step 6: Final answer
    x = 83,752.49

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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.