Home / 89,049.63-133,362.43-51,530.61

Finding the Fourth Proportional to 89,049.63, 133,362.43 and 51,530.61

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Solution

The fourth proportional to 89,049.63, 133,362.43 and 51,530.61 is: 77,173.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,049.63 : 133,362.43 = 51,530.61 : x
  2. Step 2: Convert to fraction form
    89,049.63/133,362.43 = 51,530.61/x
  3. Step 3: Cross multiply
    89,049.63x = 133,362.43 × 51,530.61
  4. Step 4: Simplify right side
    89,049.63x = 6,872,247,368.98
  5. Step 5: Solve for x
    x = 6,872,247,368.98/89,049.63
  6. Step 6: Final answer
    x = 77,173.23

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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.