Home / 89,542.13-123,526.76-53,669.84

Finding the Fourth Proportional to 89,542.13, 123,526.76 and 53,669.84

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Solution

The fourth proportional to 89,542.13, 123,526.76 and 53,669.84 is: 74,039.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,542.13 : 123,526.76 = 53,669.84 : x
  2. Step 2: Convert to fraction form
    89,542.13/123,526.76 = 53,669.84/x
  3. Step 3: Cross multiply
    89,542.13x = 123,526.76 × 53,669.84
  4. Step 4: Simplify right side
    89,542.13x = 6,629,660,558.94
  5. Step 5: Solve for x
    x = 6,629,660,558.94/89,542.13
  6. Step 6: Final answer
    x = 74,039.57

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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.