Home / 61,920.92-92,868.96-30,317.36

Finding the Fourth Proportional to 61,920.92, 92,868.96 and 30,317.36

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Solution

The fourth proportional to 61,920.92, 92,868.96 and 30,317.36 is: 45,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,920.92 : 92,868.96 = 30,317.36 : x
  2. Step 2: Convert to fraction form
    61,920.92/92,868.96 = 30,317.36/x
  3. Step 3: Cross multiply
    61,920.92x = 92,868.96 × 30,317.36
  4. Step 4: Simplify right side
    61,920.92x = 2,815,541,693.15
  5. Step 5: Solve for x
    x = 2,815,541,693.15/61,920.92
  6. Step 6: Final answer
    x = 45,469.96

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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.