Home / 89,349.28-123,292.80-53,538.37

Finding the Fourth Proportional to 89,349.28, 123,292.80 and 53,538.37

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Solution

The fourth proportional to 89,349.28, 123,292.80 and 53,538.37 is: 73,877.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,349.28 : 123,292.80 = 53,538.37 : x
  2. Step 2: Convert to fraction form
    89,349.28/123,292.80 = 53,538.37/x
  3. Step 3: Cross multiply
    89,349.28x = 123,292.80 × 53,538.37
  4. Step 4: Simplify right side
    89,349.28x = 6,600,895,236.50
  5. Step 5: Solve for x
    x = 6,600,895,236.50/89,349.28
  6. Step 6: Final answer
    x = 73,877.43

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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.