Home / 89,614.14-123,662.07-51,881.10

Finding the Fourth Proportional to 89,614.14, 123,662.07 and 51,881.10

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Solution

The fourth proportional to 89,614.14, 123,662.07 and 51,881.10 is: 71,592.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,614.14 : 123,662.07 = 51,881.10 : x
  2. Step 2: Convert to fraction form
    89,614.14/123,662.07 = 51,881.10/x
  3. Step 3: Cross multiply
    89,614.14x = 123,662.07 × 51,881.10
  4. Step 4: Simplify right side
    89,614.14x = 6,415,724,219.88
  5. Step 5: Solve for x
    x = 6,415,724,219.88/89,614.14
  6. Step 6: Final answer
    x = 71,592.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.