Home / 89,437.54-123,409.29-51,704.50

Finding the Fourth Proportional to 89,437.54, 123,409.29 and 51,704.50

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Solution

The fourth proportional to 89,437.54, 123,409.29 and 51,704.50 is: 71,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,437.54 : 123,409.29 = 51,704.50 : x
  2. Step 2: Convert to fraction form
    89,437.54/123,409.29 = 51,704.50/x
  3. Step 3: Cross multiply
    89,437.54x = 123,409.29 × 51,704.50
  4. Step 4: Simplify right side
    89,437.54x = 6,380,815,634.81
  5. Step 5: Solve for x
    x = 6,380,815,634.81/89,437.54
  6. Step 6: Final answer
    x = 71,343.82

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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.