Home / 65,564.07-98,346.18-28,099.83

Finding the Fourth Proportional to 65,564.07, 98,346.18 and 28,099.83

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Solution

The fourth proportional to 65,564.07, 98,346.18 and 28,099.83 is: 42,149.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,564.07 : 98,346.18 = 28,099.83 : x
  2. Step 2: Convert to fraction form
    65,564.07/98,346.18 = 28,099.83/x
  3. Step 3: Cross multiply
    65,564.07x = 98,346.18 × 28,099.83
  4. Step 4: Simplify right side
    65,564.07x = 2,763,510,939.15
  5. Step 5: Solve for x
    x = 2,763,510,939.15/65,564.07
  6. Step 6: Final answer
    x = 42,149.78

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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.