Home / 74,409.20-111,626.10-34,468.10

Finding the Fourth Proportional to 74,409.20, 111,626.10 and 34,468.10

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Solution

The fourth proportional to 74,409.20, 111,626.10 and 34,468.10 is: 51,707.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,409.20 : 111,626.10 = 34,468.10 : x
  2. Step 2: Convert to fraction form
    74,409.20/111,626.10 = 34,468.10/x
  3. Step 3: Cross multiply
    74,409.20x = 111,626.10 × 34,468.10
  4. Step 4: Simplify right side
    74,409.20x = 3,847,539,019.28
  5. Step 5: Solve for x
    x = 3,847,539,019.28/74,409.20
  6. Step 6: Final answer
    x = 51,707.84

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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.