Home / 109,314.64-163,990.62-50,155.36

Finding the Fourth Proportional to 109,314.64, 163,990.62 and 50,155.36

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Solution

The fourth proportional to 109,314.64, 163,990.62 and 50,155.36 is: 75,241.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,314.64 : 163,990.62 = 50,155.36 : x
  2. Step 2: Convert to fraction form
    109,314.64/163,990.62 = 50,155.36/x
  3. Step 3: Cross multiply
    109,314.64x = 163,990.62 × 50,155.36
  4. Step 4: Simplify right side
    109,314.64x = 8,225,008,582.72
  5. Step 5: Solve for x
    x = 8,225,008,582.72/109,314.64
  6. Step 6: Final answer
    x = 75,241.60

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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.