Home / 73,564.20-110,346.30-65,399.40

Finding the Fourth Proportional to 73,564.20, 110,346.30 and 65,399.40

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Solution

The fourth proportional to 73,564.20, 110,346.30 and 65,399.40 is: 98,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,564.20 : 110,346.30 = 65,399.40 : x
  2. Step 2: Convert to fraction form
    73,564.20/110,346.30 = 65,399.40/x
  3. Step 3: Cross multiply
    73,564.20x = 110,346.30 × 65,399.40
  4. Step 4: Simplify right side
    73,564.20x = 7,216,581,812.22
  5. Step 5: Solve for x
    x = 7,216,581,812.22/73,564.20
  6. Step 6: Final answer
    x = 98,099.10

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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.