Home / 89,939.84-134,896.25-56,558.12

Finding the Fourth Proportional to 89,939.84, 134,896.25 and 56,558.12

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Solution

The fourth proportional to 89,939.84, 134,896.25 and 56,558.12 is: 84,828.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,939.84 : 134,896.25 = 56,558.12 : x
  2. Step 2: Convert to fraction form
    89,939.84/134,896.25 = 56,558.12/x
  3. Step 3: Cross multiply
    89,939.84x = 134,896.25 × 56,558.12
  4. Step 4: Simplify right side
    89,939.84x = 7,629,477,761.96
  5. Step 5: Solve for x
    x = 7,629,477,761.96/89,939.84
  6. Step 6: Final answer
    x = 84,828.68

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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.