Home / 79,069.48-118,579.78-41,609.20

Finding the Fourth Proportional to 79,069.48, 118,579.78 and 41,609.20

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Solution

The fourth proportional to 79,069.48, 118,579.78 and 41,609.20 is: 62,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,069.48 : 118,579.78 = 41,609.20 : x
  2. Step 2: Convert to fraction form
    79,069.48/118,579.78 = 41,609.20/x
  3. Step 3: Cross multiply
    79,069.48x = 118,579.78 × 41,609.20
  4. Step 4: Simplify right side
    79,069.48x = 4,934,009,781.98
  5. Step 5: Solve for x
    x = 4,934,009,781.98/79,069.48
  6. Step 6: Final answer
    x = 62,400.94

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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.