Home / 65,500.59-98,168.73-28,016.66

Finding the Fourth Proportional to 65,500.59, 98,168.73 and 28,016.66

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Solution

The fourth proportional to 65,500.59, 98,168.73 and 28,016.66 is: 41,989.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,500.59 : 98,168.73 = 28,016.66 : x
  2. Step 2: Convert to fraction form
    65,500.59/98,168.73 = 28,016.66/x
  3. Step 3: Cross multiply
    65,500.59x = 98,168.73 × 28,016.66
  4. Step 4: Simplify right side
    65,500.59x = 2,750,359,440.20
  5. Step 5: Solve for x
    x = 2,750,359,440.20/65,500.59
  6. Step 6: Final answer
    x = 41,989.84

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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.