Home / 74,180.48-111,284.68-29,810.80

Finding the Fourth Proportional to 74,180.48, 111,284.68 and 29,810.80

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Solution

The fourth proportional to 74,180.48, 111,284.68 and 29,810.80 is: 44,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,180.48 : 111,284.68 = 29,810.80 : x
  2. Step 2: Convert to fraction form
    74,180.48/111,284.68 = 29,810.80/x
  3. Step 3: Cross multiply
    74,180.48x = 111,284.68 × 29,810.80
  4. Step 4: Simplify right side
    74,180.48x = 3,317,485,338.54
  5. Step 5: Solve for x
    x = 3,317,485,338.54/74,180.48
  6. Step 6: Final answer
    x = 44,721.81

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1.5x scale

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.