Home / 62,992-86,928.96-34,697.60

Finding the Fourth Proportional to 62,992, 86,928.96 and 34,697.60

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Solution

The fourth proportional to 62,992, 86,928.96 and 34,697.60 is: 47,882.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,992 : 86,928.96 = 34,697.60 : x
  2. Step 2: Convert to fraction form
    62,992/86,928.96 = 34,697.60/x
  3. Step 3: Cross multiply
    62,992x = 86,928.96 × 34,697.60
  4. Step 4: Simplify right side
    62,992x = 3,016,226,282.50
  5. Step 5: Solve for x
    x = 3,016,226,282.50/62,992
  6. Step 6: Final answer
    x = 47,882.69

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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.