Home / 74,324.12-111,484.80-29,949.68

Finding the Fourth Proportional to 74,324.12, 111,484.80 and 29,949.68

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Solution

The fourth proportional to 74,324.12, 111,484.80 and 29,949.68 is: 44,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,324.12 : 111,484.80 = 29,949.68 : x
  2. Step 2: Convert to fraction form
    74,324.12/111,484.80 = 29,949.68/x
  3. Step 3: Cross multiply
    74,324.12x = 111,484.80 × 29,949.68
  4. Step 4: Simplify right side
    74,324.12x = 3,338,934,084.86
  5. Step 5: Solve for x
    x = 3,338,934,084.86/74,324.12
  6. Step 6: Final answer
    x = 44,923.96

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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.