Home / 109,515.60-164,225.40-50,331.60

Finding the Fourth Proportional to 109,515.60, 164,225.40 and 50,331.60

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Solution

The fourth proportional to 109,515.60, 164,225.40 and 50,331.60 is: 75,475.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,515.60 : 164,225.40 = 50,331.60 : x
  2. Step 2: Convert to fraction form
    109,515.60/164,225.40 = 50,331.60/x
  3. Step 3: Cross multiply
    109,515.60x = 164,225.40 × 50,331.60
  4. Step 4: Simplify right side
    109,515.60x = 8,265,727,142.64
  5. Step 5: Solve for x
    x = 8,265,727,142.64/109,515.60
  6. Step 6: Final answer
    x = 75,475.34

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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.