Home / 79,219.25-118,828.82-31,834.35

Finding the Fourth Proportional to 79,219.25, 118,828.82 and 31,834.35

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Solution

The fourth proportional to 79,219.25, 118,828.82 and 31,834.35 is: 47,751.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,219.25 : 118,828.82 = 31,834.35 : x
  2. Step 2: Convert to fraction form
    79,219.25/118,828.82 = 31,834.35/x
  3. Step 3: Cross multiply
    79,219.25x = 118,828.82 × 31,834.35
  4. Step 4: Simplify right side
    79,219.25x = 3,782,838,325.55
  5. Step 5: Solve for x
    x = 3,782,838,325.55/79,219.25
  6. Step 6: Final answer
    x = 47,751.50

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