Home / 89,274.80-123,202.86-53,457.68

Finding the Fourth Proportional to 89,274.80, 123,202.86 and 53,457.68

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Solution

The fourth proportional to 89,274.80, 123,202.86 and 53,457.68 is: 73,773.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,274.80 : 123,202.86 = 53,457.68 : x
  2. Step 2: Convert to fraction form
    89,274.80/123,202.86 = 53,457.68/x
  3. Step 3: Cross multiply
    89,274.80x = 123,202.86 × 53,457.68
  4. Step 4: Simplify right side
    89,274.80x = 6,586,139,064.96
  5. Step 5: Solve for x
    x = 6,586,139,064.96/89,274.80
  6. Step 6: Final answer
    x = 73,773.78

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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.