Home / 61,272.62-91,719.40-52,305.92

Finding the Fourth Proportional to 61,272.62, 91,719.40 and 52,305.92

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Solution

The fourth proportional to 61,272.62, 91,719.40 and 52,305.92 is: 78,297.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,272.62 : 91,719.40 = 52,305.92 : x
  2. Step 2: Convert to fraction form
    61,272.62/91,719.40 = 52,305.92/x
  3. Step 3: Cross multiply
    61,272.62x = 91,719.40 × 52,305.92
  4. Step 4: Simplify right side
    61,272.62x = 4,797,467,598.85
  5. Step 5: Solve for x
    x = 4,797,467,598.85/61,272.62
  6. Step 6: Final answer
    x = 78,297.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.