Home / 61,415.38-91,489.24-59,556.88

Finding the Fourth Proportional to 61,415.38, 91,489.24 and 59,556.88

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Solution

The fourth proportional to 61,415.38, 91,489.24 and 59,556.88 is: 88,720.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,415.38 : 91,489.24 = 59,556.88 : x
  2. Step 2: Convert to fraction form
    61,415.38/91,489.24 = 59,556.88/x
  3. Step 3: Cross multiply
    61,415.38x = 91,489.24 × 59,556.88
  4. Step 4: Simplify right side
    61,415.38x = 5,448,813,687.97
  5. Step 5: Solve for x
    x = 5,448,813,687.97/61,415.38
  6. Step 6: Final answer
    x = 88,720.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.