Home / 89,662.48-134,382.86-45,301.84

Finding the Fourth Proportional to 89,662.48, 134,382.86 and 45,301.84

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Solution

The fourth proportional to 89,662.48, 134,382.86 and 45,301.84 is: 67,896.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,662.48 : 134,382.86 = 45,301.84 : x
  2. Step 2: Convert to fraction form
    89,662.48/134,382.86 = 45,301.84/x
  3. Step 3: Cross multiply
    89,662.48x = 134,382.86 × 45,301.84
  4. Step 4: Simplify right side
    89,662.48x = 6,087,790,822.46
  5. Step 5: Solve for x
    x = 6,087,790,822.46/89,662.48
  6. Step 6: Final answer
    x = 67,896.75

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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.