Home / 79,219.50-118,830.78-29,273.82

Finding the Fourth Proportional to 79,219.50, 118,830.78 and 29,273.82

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Solution

The fourth proportional to 79,219.50, 118,830.78 and 29,273.82 is: 43,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,219.50 : 118,830.78 = 29,273.82 : x
  2. Step 2: Convert to fraction form
    79,219.50/118,830.78 = 29,273.82/x
  3. Step 3: Cross multiply
    79,219.50x = 118,830.78 × 29,273.82
  4. Step 4: Simplify right side
    79,219.50x = 3,478,630,864.18
  5. Step 5: Solve for x
    x = 3,478,630,864.18/79,219.50
  6. Step 6: Final answer
    x = 43,911.30

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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.