Home / 105,961.20-158,682.60-50,492.40

Finding the Fourth Proportional to 105,961.20, 158,682.60 and 50,492.40

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Solution

The fourth proportional to 105,961.20, 158,682.60 and 50,492.40 is: 75,615.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,961.20 : 158,682.60 = 50,492.40 : x
  2. Step 2: Convert to fraction form
    105,961.20/158,682.60 = 50,492.40/x
  3. Step 3: Cross multiply
    105,961.20x = 158,682.60 × 50,492.40
  4. Step 4: Simplify right side
    105,961.20x = 8,012,265,312.24
  5. Step 5: Solve for x
    x = 8,012,265,312.24/105,961.20
  6. Step 6: Final answer
    x = 75,615.09

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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.