Home / 89,316.36-123,262.80-59,049.09

Finding the Fourth Proportional to 89,316.36, 123,262.80 and 59,049.09

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Solution

The fourth proportional to 89,316.36, 123,262.80 and 59,049.09 is: 81,491.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,316.36 : 123,262.80 = 59,049.09 : x
  2. Step 2: Convert to fraction form
    89,316.36/123,262.80 = 59,049.09/x
  3. Step 3: Cross multiply
    89,316.36x = 123,262.80 × 59,049.09
  4. Step 4: Simplify right side
    89,316.36x = 7,278,556,170.85
  5. Step 5: Solve for x
    x = 7,278,556,170.85/89,316.36
  6. Step 6: Final answer
    x = 81,491.86

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1.5x scale

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.